whether和if的用法区别

2024年1月13日发(作者：何家劲)

suggested that he should go to work at once, ________they ’t they he ’t hebrother has lunch at home, _________-’t he ’t he he hehas to get up early, ________ he ’t he he ’t hehas got to get everything ready, _________’t she she ’t she shehas never been to China, _________ she ’t she ’t she she had better tell you the news right now, _______she ’t she she ’t shewould rather not have done that last week,________they ’t they they ’t they’d rather stay here for a rest, ________ I I ’t I ’t Iought to do it again,_________ you ’t you you ’t you must do that again,_________’t you ’t you you ’t you must wait here,__________’t he ’t he ’t he hemust be a good worker,________’t he ’t he ’t he ’t he must have been to China twice,_________’t he ’t he ’t he ’t hemust have been ill last week,__________’t he ’t he ’t he ’t hemust have known you during the war,__________’t he ’t he ’t he ’t hemust have known the result already,_________’t he ’t he ’t he ’t heud to be a temple here,________’t there there there thereud to be good friends,________’t they ’t they they A and Budn’t to dress the baby,______’t she she she ’t shestudents ud to go to e him,_______’t they ’t they they A and B, you have a little more chicken,________’t you ’t you you you! Alice, you have bought a little chicken,_________’t you ’t you you youtwo had breakfast just now,__________’t you ’t you you you

B. would catchC. would have caughtD. will have caught3. Mr. Green requires that the students a composition every other week.A. writeB. writtenC. would writeD. will write4. Had he studied hard, he the exam.A. would passB. could passC. had pasdD. would have pasd5. I wish I what is happening there in his room.A. knowB. knownC. knewD. should know6. It is important that you sports every day.A. haveB. would haveC. must haveD. will have7. If there were no water in the world, everything .A. will dieB. would dieC. would have diedD. would have been dead8. what was going to happen ,I would never have left her alone.A. Had I knownB. If I knowC. If I knewD. If had I known9. He ordered that the work right away.A. should finish

B. finishedC. would be finishedD. be finished10. — Shall we go to the movie tonight？— No, I'd rather at home with our baby. You'd better not leave it to the babysitter at night.A. you stayedB. you stayC. stayedD. stay11 .in your position, I would help him.A. Was IB. Were IC. If I amD. If I had been12. I , but I was stopped by the heavy rain.A. mean to comeB. meant to comeC. had meant to comeD. meant coming13. Mrs. Black insists in that old hotel.A. not to stayB. not stayingC. staying notD. that he not stay14. If you had spoken clearly, you would .A. understand itB. have understoodC. be understoodD. have been understood15. If you that late movie last night, you wouldn't be so sleepy.A. haven't watchedB. hadn't watchedC. didn't watchD. wouldn't have watchedforeign friend speaks Chine so well as if he a Chine.

C. would scoreD. would have scored5. You didn’t let me drive. If we _____ in turn, you _____ so tired.A. drove; didn’t getB. drove; wouldn’t getC. were driving; wouldn’t getD. had driven; wouldn’t have got6. My suggestion is that we _____ a few more assistants to help the engineer working busily on the machine.A. ndsB. ndingC. to ndD. nd7. The CEO of the company insisted _____ in the five-star hotel.A. that we not stayB. that we don’t stayC. we wouldn’t stayD. not to stay8. It’s high time we students _____ even harder at our lessons as the national entrance examination is coming nearer.A. workB. will workC. workedD. have to work9. It has been propod that the school sports meet _____ till next weekend becau of the recent storm.A. should be put offB. should put offC. put offD. would be put off10. How I wish I _____ to Athens, where the 28th Olympic Games are being held!A. will pay a visitB. have paid a visitC. could pay a visitD. had paid a visit11. Though the girl had been suffering from the blood dia, she acted as if nothing _____ to her while facing her friendsand relatives.A. happenedB. happens

C. had happenedD. happen12. If he _____ his legs in the last training, he _____ the coming World Cup, which he has been longing to compete in.A. hadn’t hurt; would join inB. hadn’t hurt; would have taken part inC. didn’t hurt; would go in forD. didn’t hurt; would have taken part in13. If I _____ to school tomorrow, I _____ my lessons now.A. were to go; would doB. would go; would doC. went; didD. should go; am doing14. It is demanded that everyone _____ in his at at 7:00 tomorrow morning.A. isB. beC. would beD. will be15. I’d rather you _____ their invitation yesterday.A. not acceptB. wouldn’t acceptC. didn’t acceptD. hadn’t accepted16. If I _____ him yesterday I _____ him about it.A. saw; would askB. had en; would have askedC. had en; would askD. saw; would have asked17. What do you think would happen if there _____ no light during the daysA. isB. will beC. wereD. would be18. _____ late tomorrow, who would take her placeA. Should Miss Green comeB. If Miss Green would come