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高中英语时态和语态专项习题

2020-08-23 来源:独旅网


高中英语动词的时态和语态专题训练题

【基础过关题】

1.---You’re drinking too much .

--- Only at home .No one ___ me but you . A. is seeing B. had seen C. saw D. sees

2.---Look at the terrible situation I am in ! If only I ____ your advice . --- Don’t worry . Try again .

A. follow B. would follow C. had followed D. have followed

3.The telephone ____ three times in the last hour , and each time it ____ for my father.

A. had rung ; was B. has rung ; was C. rang ; has been D. has been ringing ; is 4.---John took a photograph of you just now. --- Really ? What a pity ! I ____ .

A. didn’t look B. wasn’t looking C. hadn’t looked D. haven’t looked

5. After the class , the students went out of the classroom one by one , but only Mary___.

A. left B. had left C. was leaving D. was left

6. The 2000 Olympic Games ____ in Sydney , a city of Australia. A. were taken place B. was held C. were held D. had been held 7.The teacher told his students that they ____ to be useful men to the country . A. were all expected B. were all expecting C. all were expected D. all expected

8.--- You’ve agreed to go , but why aren’t you getting ready ? --- But I ____ that you ___ me to start at once . A. don’t realize ; want B. don’t realize ; wanted C. didn’t realize ; wanted D. haven’t realized ; want 9.Will these flowers be watered _____?

A. every few days B. after hours C. within a few hours D. the other day 10.Nobody knew when the fire ____ , but they knew it ____ the next morning . A. broke out , was put out B. was broken out ; was put out

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C. broke out ; put out D. was broken out ; went out 11.I have no idea what ____ while I was asleep .

A. has happened B. was happened C. happened D. had happened 12.---Look !Somebody has broken a glass. --- Well , it ____ me . I ___ that .

A. wasn’t ; didn’t do B. isn’t ; haven’t done C. wasn’t ; hadn’t done D. isn’t ; didn’t do

13.The thief ____ when he was stealing a wallet from a woman . A. happened to notice B. was taken place to notice C. was happened to be noticed D. happened to be noticed 14.---Do you know anyone in Paris ? --- No , I’ll make friends once ____.

A. I’m settled B. I have settled C. I’ll be settled D. I’m settling 15.---Come on , Shella . I want to show you something . --- Oh, how nice of you . I ____ you ____ to bring me a gift. A. didn’t think ; were going B. never think ; are going C. never thought ; were going D. hadn’t thought ; were going 16.It will be a long time ___ Frank ____ back from abroad .

A. before ; comes B .since ; has come C. when ; has come D. after ; came 17.---I’ve heard Bob ____ from his journey to Africa . --- What about visiting him tonight ?

A. had come back B. coming back C. come back D. is back

18.Unfortunately when I arrived she ____ , so we only had time for a few words . A. just left B. has just left C. was just leaving D. had just left 19.---How do you usually go to work ? --- If it is fine , I ___ on foot .

A. will go B. go C. have gone D. won’t go 20.He ___ and was made to repeat it .

A. didn’t understand B. didn’t be understood C. wasn’t understand D. wasn’t understood

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21.The pupils here ____ all kinds of exercises every day in the past four weeks.\\ A. kept busy doing B. keep on doing

C. have kept busy doing D. have been kept busy doing 22.---What were you doing when Tom came to see you ? --- I____ on my coat and ____ .

a) have just put ; leaving B. was put ; was left C. had just put ; was leaving D. was putting ; left

23.---You haven’t said a word about my new coat , Brenda . Do you like it ? --- I’m sorry I ___ anything about it sooner . I certainly think it is pretty on you. A. wasn’t saying B. don’t say C. won’t say D. didn’t say 24.---I am sorry ,but I shouldn’t have been so rude to you . --- You ____ your temper but that’s OK.

A. have lost B. had lost C. did lose D. were losing 25.---Is Tom still smoking ?

--- No, by next Saturday he ___ for a while month without smoking a single cigarette.

A. will go B. has gone C. will have gone D. has been going 26.---What were you up to when your mother came in ? --- I ___ for a while and ____ some reading . A. was playing ; was going to B. played ; did C. had played ; was going to D. had played ; did 27.---____ you ___ the editor at the airport ? --- No , he ___ away before my arrival .

A. Have ; met ; has driven B. Had ; met ; was driven C. Did ; meet ; had been driven D. Have ; met ; had driven 28.---What’s the matter ?

--- The shoes don’t fit properly .They ___ my feet. A. are hurting B. will hurt C. have hurt D. are hurt 29.--- ___ Betty this morning ?

--- Not yet , but she is sure to be here before noon .

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A. Have you seen B. Will you see C. Do you see D. Did you see 30.---Alice came back home the day before yesterday . ---Really ? Where _____?

A. has she been B. had she been C. has she gone D. had she gone 【能力提高题】

1.I can guess you were in a hurry .You ____ your sweater inside out . A. had wear B. were C. were wearing D. are wearing

2.I really don’t’ think Rosemary will be upset , but I will go and see her in case she ___ .

A. is B. does C. will be D. has been

3.My money _. I must go to the bank to draw some of my savings out before I’ve none in hand .

A. has run out B. is running out C. has been run out D. is being run out 4.Until then , I ___ for him for five hours in his office.

A. waited B. was waiting C. have been waiting D. had been waiting 5.The foreign friends you referred to ____ looking forward to ____ around our university .

A. are ; being shown B. being ; being shown C. being ; showing D. are ; be shown

6.The door ____ . Better send for a workman to repair it .

A. isn’t open B. isn’t be opened C. hasn’t been opened D. won’t open 7. I don’t mind ____ alone , but I want a good book ____ .

A. leaving ;reading B. being left ; to read C. to be left ; to be read D. being left ; to be read

8.The shop assistant promised me that the material ____, and what she said ___ to be true .

A. would be dried easily ; was proved B. will be dried easily ; was proved C. dried easily ; proved D. dried easy ; proved 9.---Sorry , I ___ to post the letter for you . --- Never mind . ____ it myself after school.

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A. forget ; I’d rather post B. forgot ; I’m going to post C. forgot ; I’ll post D. forget ; I’d better post 10.---What happened to the postman ?

--- I don’t know . He ____ around here for a long time .

A. hasn’t seen B. didn’t see C. wasn’t seen D. hasn’t been seen\\ 11.---Did you write to Mary last month ? --- No , but I’ll ___ her over Christmas Day .

A. be seen B. be seeing C. have seen D. have been seeing \\ 12.They said good-bye , little knowing that they ____ again.

A. were never met B. will never meet C. never met D. were never to meet 13.---Don’t you know I make the decision here ? --- ____, not until you ____ me .

A. Yes , have told B. No , have told C. Yes , tell D. No , are telling 14.It won’t be long before such a thing ____ again .

A. will happen B. happens C. is happened D. happened 15.The boy whom you lent the bike to ___ by a car. A. hit B. be hit C. having been hit D. was hit

16.By the time the speaker entered the hall , all the listeners ____ . A. had seated B. were seated C. seated D. were seating 17.We can not use the bridge now , because it ___ .

A. has been repaired B. is repairing C. is repaired D. is being repaired 18.The room ___ cool in summer and warm in winter. A. is being felt B. is felt C. feels D. has been felt 19.In warm weather fruit and meat ____ long .

A. don’t keep B. can not be kept C. are not kept D. are not keeping 20.It’s the third time you ___ late for school this week . A. have been B. had been C. are D. were

21. Once you ___ used to the weather here , you ____ this place. A. had got ; probably liked B. will get ; probably like C. get ; probably liked D. get ; will probably like

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22.They ____ for long when a message came .

A. had drunk B. drunk C. had not drunk D. were drinking 23.Perhaps ____ several years ____ back from abroad . A. Tom is ; that he comes B. it is ; before Tom will come C. he will be ; when Tom comes D. it will be ; before Tom comes 24.---Well , here I am at last .

--- Good ! I ___ worried ___ you couldn’t be back on time . A. got ; about that B. was ; that C. am ; whether D. am ; why 25.--- Have you posted my letter? --- Sorry , I ___ all about it .

A. had forgotten B. will forget C. forgot D. forget 26.---Jim has been in hospital . ---Oh, really ? I ___ . ____ visit her .

A. didn’t know ; I’ll go and B. don’t know ; I have intended to C. don’t know ; I intended to D. haven’t known ; I was going to 27.It was twelve o’clock ___ they finished the work . A . since B. at which C. that D. when 28.---Where ___ the map ? --- I ___ it right here .

A. did you put ; have put B. have you put ; put

C. had you put ; was putting D. were you putting ; have put 29.---Where do you think ___ he ___ the computer ? --- Sorry . I have no idea.

A. has ; brought B. / ; bought C. did ; buy D. had ; bought 30.---Are you a visitor here ?

--- That’s right . I ___ round the world and now my dream of coming to China ___ true .

A. have traveled ; has come B. was traveling; had been come C. am traveling ; has come D. have traveled ; has been come

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【高考冲刺题】

1. I didn’t like Aunt Lucy , who _____ without warning and bringing us presents . A. always turns up B. has always turned up C. was turned up D. was always turning up

2.--- Did he notice you enter the room ?

--- I don’t think so . He ______ to the radio with his eyes shut . A. listened B. was listening C. has listened D. had listened 3. --- Would you like to visit the temple ? ---- If I _______ a week off.

A. will have B. had C. have had D. would have 4.---Look !How long _________ like this ?

--- Three weeks ! It’s usual here that rain ________ without stopping these days at sea.

A .has it rained ; pours B. has it been raining ; pours C. is it raining ; is pouring D. does it rain ; pours

5. I ____ to help you but I was not able to spare any time .I ____ a paper last night and I’ll finish it tonight .

A. wanted ;have been writing B. have wanted ; wrote C. had wanted ; wrote D. had wanted ; was writing 6. The price ______ , but I doubt whether it will remain so .

A. went down B. will go down C. has gone down D. was going down 7.In this experiment , they are woken up several times during the night , and asked to report what they _________ .

A. had just been dreaming B. are just dreaming C. have just been dreaming D. had just dreamt

8. I want to buy that kind of cloth because I _____ the cloth _____ well .

A. have told ; washes B. have been told ; washes C. was told ; washed D. have been told ; is washed

9. The car ran down the hill , and the driver __, according to the newspaper , to have been killed.

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A. said B. was saying C. was said D. had been said 10.---Was that the first time _____ you ___ England’s coast . --- Yes . It was .

A. ./ ; left B. when ; have left C. when ; had left D. / had left 11. I should have written to you earlier , but _____ rather busy recently . A. I’ve been B. I’d been C. I’m being D. I were 12. He will phone ____ he ______ his work .

A. for the moment ; sets about B. the moment ; sets about C. the moment ; will set about D. for the moment ; will set about 13.---Kate returned home yesterday . --- Really ? Where ____?

A. has she been B. had she gone C. has she gone D. had she been 14.In such dry weather , the flowers will have to be watered if they ______. A. have survived B. are to survive C. would survive D. will survive

15. The TV sets made by our factory sell best , but 10 years ago no one could have guessed the place in the markets that they _______ . A. were having B. were to have C. had had D. had 16.---Can you give me the right answer ?

--- Sorry , I ______ . Would you repeat that question ?

A. hadn’t listened B. haven’t listened C. don’t listen D. wasn’t listening 17.I _____ violin lessons every two weeks , but I think I’ll make it every week from next month.

A. am having B. have had C. have D. have been having 18.---What were you doing when I phoned you yesterday evening ? --- I ______ my homework and was starting to take a bath.

A. had just finished B. was finishing C. have already finished D. was going to finish

19.--- Your baby is too thin .

--- It could gain weight , but it _____ much .

A. doesn’t eat B. didn’t eat C. hadn’t been D. couldn’t eat

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20.Please call again . Jim ______ a bath just now . A. has had B. was having C. is having D. has 21. ---Why did you come by taxi?

--- My bike broke down last night and I ____ it repaired . A. didn’t have B. don’t have C. won’t have D. haven’t had 22. I don’t really work here . I _____until the new secretary arrives .

A. just help out B. have just helped out C. am just helping out D. will just help out 23.You _____ television . Why not do something more active?

A.always watch B. are always watching C. have always watched D. have always been watching

24.--- Can you drive on the free way , Mr. Green ?

--- You can when you ____ a bit more skilled . A. will get B. are getting C. will have got D. get 25. I _____ at the station half an hour ago , but the train ___ yet. A. arrived ; hadn’t come B. was arriving ; hadn’t come C. arrived ; hasn’t come D. had arrived ; didn’t come

26.Why don’t you put the meat in the fridge ? It will ___ fresh for several days . A. be stayed B. stay C. be staying D. have stayed

27. The little girl _____ her heart out because she _____ her toy bear and believed

she wasn’t ever going to find it . A . had cried ; lost B. cried ; had lost C. has cried ; has lost D. cries ; has lost

28. I feel it is your husband who ____ for the spoiled child .

A. is to blame B. is going to blame C. is to be blamed D. should blame 29.Hundreds of jobs ______ if the factory closes . A. lose B. will be lost C. are lost D. will lose

30. Rainforests ____ and burned at such a great speed that they will disappear from

the earth in the near future .

A. cut B. are cut C. are being cut D. had been out

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动词时态和语态(解析)

【基础过关题】 1. 答案:D。

解析:从第一句中可知,本题排除与过去时有关的B、C两项,而see 一般不用进行时,

故用一般现在时。

2.答案:c。

解析:if only 在句中引导虚拟语气,在含有if only虚拟句中,不能用情态动词,根据语

境这里是与过去事实相反的一种情况,所以要用过去完成时。

3. B。

解析:第一句中有in the past hour ,故用现在完成时;第二句中each time 显然是过去

的时间,故选B。

4. 答案:B。

解析:先排除D项,然后从语境中可知,不在看(镜头)是指John 给我拍照时的动作,

故用过去进行时。

5. 答案:D。

解析:此句中Mary 是被留下来,而不是主动离开。 6. 答案:C。

解析:A项中take place 无被动语态,B项中主谓不一致,D项时态不对。 7. 答案:A。

解析:从本句意思来看,they 应指学生,与expect 之间应是被动关系。Be expected to do

意思是:被指望做------。

8. 答案:C。

解析:realize 不是现在的动作,而是在你提醒我之前没有意识到,故用C,主从句时

态也一致。

9. 答案:C。

解析:本句用的是将来时,故排除A、D。B项中after hours 一般用于过去时态,只有

C正确。Within 相当于in.

10.答案:a。

解析:break out 无被动语态。put out 与fire 之间应体现被动关系。 11.答案:C。

解析:happen 无被动语态,而A项时态与while I was asleep 不符合。 12.答案:A。

解析:答句中说明 “打破杯子的不是我,我没做那事”,故用一般过去时。 13.答案:D。

解析:happen to do 表示“正好,碰巧”,无被动语态,而the thief 与notice 之间是被动

关系,故选D。

14.答案:A。

解析:本题考查状语从句中时态,主句是将来时,故在once 引导的条件状语从句中用现

在时表示将来时,而be settled 指生活安顿下来,故选A。

15.答案:C。 解析:原句意思是“我压根儿不曾想到你会给我带礼物来”。“没想到”当然是过去的动作,

故排除B项,而D项的时态也不对;A项中didn’t think 表示“我并不认为---”与原句意思不符。第二空用were going to 表示过去将来时,与主句时态一致。

16.答案:A。

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解析:It will be / was a long time before ------是个固定结构。 17.答案:D。

解析:主句中用现在完成时,若选A,主从句中时态不一致。若选B、C项表示听到Bob

回来或听到Bob 回来了,D项表示我听说Bob从非洲回来了,heard 后省去了that ,主从句时态一致。

18.答案:C。

解析:从句意来看,我到那儿时,她还没离开,而是正要离开,故选C。 19.答案:B。 解析:一般情况下条件从句中用现在时,主句用一般将来时。但本题中问句里有usually 一

词,询问的是通常的情况,故用B。

20.答案D。

解析:从后半句was made to repeat it 可知,因为他没有被听懂,故用被动语态。 21.答案:D。

解析:本题中时间状语every day in the past four weeks 表示从过去某一时间到现在的四周

里每天进行的动作,故用现在完成进行时,而主语the pupil 与keep 之间是被动关系,故用be kept busy doing 结构。

22.答案:C。

解析:原句意思是“Tom 来看我时我刚穿好衣服,正准备离开。”故选C。 23.答案:D。

解析:答句中用过去时表示在你征询我的意见前我没有及时说,故用D。 24.答案:C。

解析:从I shouldn’t have been so rude to you 一句可看出,对方是为自己在过去某一时候

的无礼举动表示歉意,故发脾气这一动作发生在过去,但不用过去完成时或进行时,C项中用did lose 表示强调。

25.答案:C。

解析:由时间状语by next Saturday 可知,时态应用将来完成时,选C。 26.答案:C。

解析:答句中for a while 暗示要用完成时,此处显然用过去完成时;第二空用过去进行

时指妈妈进来时我正在看书。

27.答案:C。

解析:从答句before my arrival 可知,本题问句应用过去时,而第二空显然是指过去的过

去发生的动作,故选C。

28.答案:A。

解析:用现在进行时表示现在的情况。我此时感到疼痛。 29.答案:A。

解析:句中yet 一词暗示问句应用现在完成时。 30.答案:B。

解析:Alice 现已回来了,人不在外地,故不用have / has / had gone ;而本句第一分句讲

Alice 是前天回来的,故问的该是在前天以前上哪儿了,因此选B,用过去完成时。

【能力提高题】 1. 答案:D。

解析:因为现在你身上的毛衣里外穿反了,由此推断当时你很匆忙。 2. 答案:A。

解析:in case 引导的是条件状语从句,主句用将来时,从句用现在时,因为前边有be

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upset ,故用be 动词is ,后面省略upset。

3. 答案:B。

解析:从后句可知,我手头还有一点钱,但很快要用完了,故用B项,进行时表示将来

时。

4. 答案:D。

解析:until then 表示到过去某一时候为止,故用过去完成时。 5. 答案:A。 解析:第一空应填主句的谓语动词,故排除B、C。第二空作介词to 的宾语;foreign friends

与show around 之间是被动关系,故选A。 6. 答案:D。

解析:本题考查的是主动语态表示被动语态的用法。动词open 表示主语的属性特征,类

似的动词还有close ,read ,write , sell , wash ,dry 等,一般都用主动式表示被动含义。 7. 答案:B。

解析:mind 后接动名词,故排除C项。I 与leave 之间应体现被动关系,故在B、D中

选。第二空不定式作定语,因为句中有执行read 的主语I ,故用主动式。

8. 答案:C。

解析:dry 指主语material 的属性特征,应用主动形式表示被动含义。此时它是不及物动

词,故用副词修饰;第二空prove 是连系动词,所以选C。

9. 答案:C。 解析:“忘了为你寄信”是过去的动作,故用B、C。而B项中I’m going to post 表示“打

算去寄”不符合上句的语境。

10.答案:D。

解析:从时间状语for a long time 可知到说话时为止很长时间邮递员未被见到了。故用现

在完成时。

11.答案:B。

解析:将来进行时will / shall be doing sth. 可用于表达预计即将发生或势必要发生的动

作,在一般情况下可和一般将来时换用,用将来时则显得更加委婉。

12.答案:D。

解析:was / were to do sth..表示从过去某一时间看来将要发生的事。 13.答案:B。

解析:答语的含义是:“No, I don’t know it until you have told me”. Till / until 从句中常用一

般时或现在完成时。

14.答案:B。

解析:happen 是不及物动词,无被动语态,又由于before 引导的时间状语从句中用一般

现在时代替一般将来时,故选B。 15.答案:D。 解析:“男孩被车撞了。” 16.答案:B。

解析:seat 是及物动词,表示“坐下”应用be seated 或seat oneself . 17.答案:D 。

解析:D项表示“正在被修复”。 18.答案:C。

解析:feel 为连系动词,作“摸上去,觉得”解,无被动语态。 19.答案:A。

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解析:keep 表示“(水果、食物)保质,保持新鲜”,在此处是不及物动词。 20.答案:A。

解析:It is the first (second / third---)time that 后从句中用完成时态,主句是现在时,故从

句用现在完成时。

21.答案:D。

解析:once 引导的是条件状语从句,故用现在时,主句应用将来时,因此选D。 22.答案:C。

解析:原句意思是“他们才喝了一会儿的酒,这时就捎来了口信。”came 是过去时,drink

是到came 动作为止一直进行的动作,故用过去完成时。

23.答案:D。

解析:D项是固定结构。 24.答案:B。

解析:在“Here I am at last”之前“我很担心”。所以用一般过去时。Be worried 后可跟

that 从句,注意:在be worried about 后不可跟that 从句。

25.答案:C。

解析:对“寄信一事我忘了”,用一般过去时即可。 26.答案:A。

解析:前一空应用didn’t know 表示以前不知道,后一空为目前的决定,要去看望她,所

以用will .

27.答案:D。

解析:本句中的it 是代词,指时间,when 引导的是时间状语,而不是定语从句。若选C,

则应在twelve o’clock 前加介词at ,这样构成强调句式。

28.答案:B。 解析:“你把地图放在哪儿啦?”侧重我现在找不到它了,是过去的动作对现在的影响,

回答是“我把它就放在这儿的。”但现在我也不知道它在哪儿。就是一个过去的动作,对现在没有影响。 29.答案:B。

解析:此句为复杂特殊疑问句,即疑问词+do you think (believe / suppose / expect / imagine

等)+其他(陈述语序)?

30.答案:C。

解析:说话时动作正在进行,come true 为不及物动词,不能用被动语态。 【高考冲刺题】 1. 答案:D。

解析:always 常与进行时连用,表示某种反复的动作,往往表示不满、责备、赞扬等。

didn’t like 发生在过去,故选 d。 2. 答案:B。

解析:当时他在听收音机。 3. 答案:B。

解析:if 引导的虚拟语气的从句。 4. 答案:B。

解析:表示从过去直到现在持续不断的动作。 5. 答案:D。

解析:had wanted to do 表示过去打算做某事但没有做成,过去进行时表示过去某段时间

正在做的事情。

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6. 答案:C。

解析:价格到说话时已下降,故用现在完成时。 7. 答案:C。

解析:dream 是从某时开始一直延续到现在还在进行的动作。 8. 答案:B。

解析:本句还是考查主动语态表示被动语态的用法。 9. 答案:C。 解析:“据说------”在英语中可用“ It is / was said that sb. / sth. --- ”句型来表示。该句型

可变成:sb. / sth. is/ was said to --- 句式。因此本句应填不定式结构,drive 与kill 之间是被动关系,故选C。

10.答案:D。

解析:固定句式。因主句为过去时,所以从句用过去完成时。 11.答案:A。

解析:recently 一词一般用在现在完成时态,故选A。 12.答案:B。

解析:the moment 可作为连词词组引导时间状语从句,并且从句中用现在时表示将来时。 13.答案:D。

解析:Kate 昨天就到家了,所以打听她在此以前去哪儿,用D项。 14.答案:B。

解析:be to do 结构在条件状语从句中表示“如果想,如果要---”,故选B。 15.答案:B。

解析:were to 在此句中表示相对于十年前来说将要发生的事,相当于过去将来时。原句

的意思是“十年前没有人可能会料到我们厂的电视机会在市场上占有如今这个地位。”

16.答案:D。

解析:从Would you repeat that question ?一句可知“我刚才不在听”。故选D。 17.答案:D。

解析:每两周上小提琴课是到目前为止一直进行的动作,而且是反复做的习惯动作,该动

词还需要延续到本月底,所以应用现在完成进行时。

18.答案:A。

解析:做完作业是在你昨晚打电话时刚完成的动作,故选A。 19.答案:A。

解析:宝宝平时一直吃得不多,所以显得太瘦。 20.答案:C。

解析:从语境来判断,本题中的just now 指此时,现在=right now 或at this moment .故用

现在进行时。

21.答案:D。

解析:我自行车还没修好,因而对现在造成的影响是现在还不能用,我只好打的过来。因

此本题应用现在完成时,而不用一般过去时。

22.答案:C。

解析:现在进行时指现阶段正在进行的动作。根据题意:“我只是在帮忙,直到新秘书到

位为止。”故用C项。

23.答案:B。

解析:always 用于进行时表示一种感情色彩,此处表示“抱怨”。

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24.答案:D。

解析:时间状语从句中用现在时表示将来时。 25.答案:C。

解析:到车站是半个小时前的动作,yet 表示到现在火车还没到,故选C。 26.答案:B。

解析:stay 在此处是连系动词。 27.答案:B。

解析:cry 是过去的动作,而lose 是在此以前的动作,故用过去完成时。 28.答案:A。 解析:be to blame 一般表示主语与blame 之间的被动关系,若选D项,应用被动语态should be blamed.

29.答案:B。

解析:条件从句中是现在时,主句应用将来时,job与lose 之间是被动关系,故选B。 30.答案:C。 解析:首先,cut 是及物动词,与主语间应体现被动关系,故排除A。 文中 “at such a great

speed that they will disappear ---in the near future”,表示目前正以惊人的速度被砍伐,因此应用现在进行时的被动语态。

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