If-用法對比練習(xí)100題

1、If 用法對比練習(xí) 100 題1. a) it rains, the game will be played on time.b) I was twenty, I had never been away from my hometown.c) he were here, he couldnt help us.A. Even ifB. UntilC. TillD. Unless2.a) I m busy now. If Itime, Ia chat with you.b) If Itime last night, Ihave a chat with you.A. have, will haveB

2、.had, would haveC. had, should hadD. had had, would have had3.(1)You ll miss the train you hurry up.(2)You ll miss the train you don t hurry up.A. if B. unlessC. whetherD. as4. (1) it s raining , they are still working in the field.(2) Young she is , she knows quite a lot.(3) Well make a trip even i

3、f (even though) the weather is bad.(4) what happened , we would not mind.A. No matter B. Although C. even if D. as5. (1) this medicine, and you will be all right .(2) this medicine, you will be all right .(3) this medicine, it will cure you of your illness.A. To take B. Take C. TakingD. If you take

4、BC/DD6. (1)It seems(1)It seemsA. that as ifhe knew nothing about it he is lying B. that C. as if D. and 7. (1)If it tomorrow, I wont go out seeing.A. rains B. will rainC. is going to rain D. is raining(2)If you me, I will give you some advice.A. listen to B. will listen to C. listen D. are listening

5、t go out seeing. t go out seeing.t go out seeing.D. rained8. (1)If it tomorrow, I won(2)If it tomorrow, I wouldn(3)Were it tomorrow, I wouldnA. should rain B. to rain C. rains9. (1)If we work hard, we can overcome any difficulty, no matter great itis.(2)If we work hard, we can overcome any difficult

6、y, great it is.(3)Ifwe work hard, we can overcome any difficulty, difficulty it is.(4) If we work hard, we can overcome any difficulty, no matter difficult itis.A. whatB. howC. however D. whatever10. (1) There is only one English-Chinese dictionary in that book-shop. I wonder if you stillwant to buy

7、 _ .A. itB. oneC.another D. any(2)Will you see to that my children are taken good care of while I amaway?A. me B. it C. yourself D. them1. (1)It depends on he has enough money.(2)the sports meet will be held depends on the weather.A. When ever B. If C. Whether D. That2. (1)Fran is an honest girl; I

8、say it, I dont like her.(2)Fran is an honest girl; I say it, , I don t like her.D. asA. even though B. as though C. even so long as3. (1)Time , he shall go outing.(2)If time , he shall go outing.A. permitted B. permits C. permittingD. would permit(1) When he come? I dont know, but when he , Ill tell

9、 you.A. does, comes B. will, comes C. does, will come D. will, will come(1) When he is not known yet. But when he , he will be warmly welcomed.(1) I dont know if she , but if she I will let you know.A. comes, comes B. will come, will come C. comes, will come D. will come, comes4. (1)Who is it up dec

10、ide whether to go or not?(2) Who did you go help the people in trouble?A. to to B. for for C. to for D. with to5. (1) from the hill, the park seems beautiful.(2) from the hill, youll find the park beautiful.(3) from the hill, and youll find the park beautiful.A. See B. Seen C. Seeing D. to be seen E

11、. If you see6. (1) no subjunctive mood, English would be much easier.(2) no subjunctive mood, English would be much easier.A. If were there B. Were if there C. Were there D. Is there7. .(1)If you take five out of eight, three .(2)Five out of eight three.(3)Take five from eight and the is three.A. re

12、mainderB. remainsC. is remainedD. leaves8. (1) Weather _, well go and pay a visit to your school.(2)If weather , well go and pay a visit to your school.A. permitsB. permittedC. permittingD. is permitted- Sorry, it isnt allowed.9. (1)-Do you mind _ here?A. if I smokeB. smokingC. my smokingD. to smoke

13、(2)Its very cold today. Would you mind _ the window?A. my closingB. closingC. if I closeD. to close(3)Would you mind _ for me for f few minutes?A. wait B. your waitingC. waitingD. if you wait20. (1)We dont knowhe will come unless told(1)We dont knowhe will come until told that whether if nothow long

14、1. (1), youd better stop quarrelling.(2), we cant be defeated.A. Unite B. UnitedC. To uniteD. If we unite2. (1)If it tomorrow, I won t go out seeing.A. rainsB. will rain C. is going to rainD. israining(2)If you me, I will give you some advice.A. listen to B. will listen toC. listen D. are listening3

15、. 1) She didnt come back her mother went to bed.2) She wont come back her mother asks her to.A. unless B. if C. until D. when4. (1) straight o(1) straight on,A. Gon and you ll see a church. You won t miss it.D. Whenyoull see a church. You won t miss it.B. Going C. If you gogoing5. 1) we shall go for

16、 a picnic tomorrow is certain.2) well go for a picnic tomorrow is uncertain.A. That B. If C. WhetherD. What6. a) He would have a look at the bookstores he went to town.b) We decide to finish the work on time, happens.c) If we work with a strong will, we can overcome any difficulty, great itis.d) I l

17、l give the book to likes English.A. wheneverB. whoever C. whatever D. however7. a) If itb) If itA. rainthis afternoon, we ll put off the sports meet. this afternoon, we would put off the sports meet.B. rainsC. rainedD. will rain8. a) It s necessary that you be present at the meeting.b) His father of

18、ten have a walk after supper.c) I rather sleep than watch TV.d) If it rain tomorrow, he would not come.e) You re late again. You have come five minutes earlier.A. should B. would C. ought9. (1)It depends on he has enough money.(2)the sports meet will be held depends on the weather.A. When ever B. If

19、 C. Whether D. That30. (1)If you me, I will give you some advice.(2)If you me, I should give you some advice.A. listened to B. will listen to C. listen to D. are listening to1. What would have happened , as far as the river bank?(2)What would happen , as far as the river bank?A. Bob had walked farth

20、erB. if Bob should walk fartherC. had Bob walked fartherD. if Bob walked farther2. (1) he come, what you say to him?(2) he comes, what you say to him?A. Should would B. When would C. If will D. Were to do3. (1) this medicine, and you will be all right .(2) this medicine, you will be all right .(3) t

21、his medicine, it will cure you of your illness.A. To take B. TakeC. TakingD. If you take4. (1)I dont knowor not you will help me(1)I dont knowwill help me (1)I knowyou will help me that if whether who5. (1) we shall go for a picnic tomorrow is certain.(2) we ll go for a picnic tomorrow is uncertain.

22、A. That B. If C. Whether D. What6. (1)I have a doubt he will succeed.(2)I have no doubt he will succeed.A. if B. whether C. that D. how7. (1)It s cloudy. It looks as if it .A. is going to rain B. were going to rain C. would rain D. rained(2)When a pencil is partly in a glass of water, it looks as if

23、 it .A. breaksB. has broken C. were broken D. had been broken8. (1)His idea we should finish the work ahead of time was accepted.(2)His idea we are discussing was accepted.A. thatB. whether C. if D. which9. (1)Father promised I studied harder he would take me to Beijing next summer.(2)Father promise

24、d _he would take me to Beijing next summer if I studied harder.A. thatB. ifC. that ifD. if that40. (1)Has it been decided they will hold the meeting tomorrow?(2)Has it been decided they will hold the meeting there?(3)Has it been decided they will hold the meeting there tomorrow?A. whether B. if C. w

25、here D. when1. (1) It looks the weather may turn out fine tonight.(2)The chemic al teacher said,“ do everything I do .A. as than B. as C. though D. as if (as though)2. If time , Ill go to see my friend tomorrow.Time , Ill go to see my friend tomorrow.A. permitted B. permitsC. permittingD. permit3. (

26、1)If it tomorrow, I won (2)If it tomorrow, I wouldn(3) Were it tomorrow, I wouldnA. should rain B. to rain C. rainst go out seeing. t go out seeing. t go out seeing. D. rained4._ straight on and you straight on ,youll see a church. You won ll see a church. You wonA. GoB. Going C. If t miss it. t mis

27、s it. you goD. Whengoing5. (1) we ll have a meeting tomorrow has been decided.(2) we ll have a meeting tomorrow has not been decided.A. ThatB. If C. Whether D. what6. (1) sometimes keeps her awake at night Tomi s getting more and more quietat home.(2) sometimes keeps her awake at night is _ Tom is g

28、etting more and morequiet at home.A. That; whichB. It; thatC. Whether;what D. What; that7. (1)This is an illness that can result in total blindness left untreated.(2) you want me to fire you, I suggest you stop wearing sports clothesat office.(3) You must keep on working in the evening you are sure

29、you can finishthe task in time.A. since B. if C. unless D. until8. (1)Doctor Godwin says that _ what forceful arguments against cigarette there are, many people insist on smoking.(2)Doctor Godwin says that forceful arguments against cigarette there are, manypeople insist on smoking.(3) Doctor Godwin

30、 says that happens, many people insist on smoking.A. whatever B. no matter C.however D. even if9. (1) It looks the weather may turn out fine tonight.(2) The chemical teacher said,“ do everything I do . ”A. as than B. as C. though D. as if (as though)50. (1)-Do you mind _ here?- Sorry, it isnt allowe

31、d.A. if I smokeB. smokingC. my smokingD. to smoke(2) Its very cold today. Would you mind the window?A. my closing B. closingC. if I closeD. to close(3)Would you mind _ for me for f few minutes?A. waitB. your waitingC. waitingD. if you wait1. (1) We dont knowhe will come unless told (2) We dont knowh

32、e will come until told that whether if not how long2. I dont knowor not you will help me(2) I dont knowwill help me (3) I knowyou will help me that if whetherwho3. (1)If you take five out of eight, three .(2)Five out of eight three.(3)Take five from eight and the is three.A. remainderB. remainsC. is

33、 remainedD. leaves4. (1)I doubt he can help you with your English in his spare time.(2) I don t doubt _ he can help you with your English in his spare time.A. that B.if C. whetherD. what5. (1)If you come here earlier, you the great scientist.(2)If you had come here earlier, you the great scientist.A. are going to see B. would have seen C. will seeD. would see6. I m sur