四 。虚拟巩固练习：

　　1. The plant is dead. I ___more water.

　　A. will give B. would have given C. must give D. should have given

　　2. I insist that a doctor ___ immediately.

　　A. has been sent for B. send for C. will be sent for D. be sent for

　　3. If you the doctors advice, you would have already recovered.

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

　　4. I wish I ___ you yesterday.

　　A. seen B. did see C. had seen D. were to see

　　5. What would you have done last night, if you to write your homework.

　　A. hadn’t B. haven’t had C. didn’t have D. hadn’t had

　　6. ---Did you catch the plane?

　　-----No, if I had hurried, I .

　　A. would B. would have C. could D. did

　　7. Without electricity human life ____ quite different today.

　　A. is B. will be C. would have been D. would be

　　8. --- Shall we go skating or stay at home? ---Which____ do yourself?

　　A. do you rather B. would you rather C. will you rather D. should you rather

　　9. --- We could have walked to the station, it was so near.

　　---Yes, a taxi ___ at all necessary.

　　A. wasn’t B. hadn’t been C. wouldn’t D. won’t be

　　10. If you early tomorrow morning, you would be there by noon.

　　A. have started B. were start C. were to start D. had started

　　11. Tom ought not to ____ me your secret, but he meant no harm.

　　A. have told B. tell C. be telling D. having told

　　12. ---If he ____, he ___ that food.

　　--- Luckily he was sent to hospital immediately.

　　A. was warned, would not take B. had been warned, would not have taken

　　B. would be warned, had not taken D. would have been warned, had not taken

　　13. ---- Are you thinking about going to Dalian for the vacation?

　　-----No, but if I time, I very glad to go there.

　　A. have, will be B, had had, would have been

　　C. had, would be D. had had, would be

　　14. If you George, would you please tell him to ring me?

　　A. saw B. were to C. have seen D. see

　　15. You didn’t let me drive. If we ____ in turn, you ____ so tired.

　　A. drove, didn’t get B. drove, wouldn’t get

　　C. were driving, wouldn’t get D. had driven, wouldn’t have got

　　16. I am sure he hasn’t sent the letter. If he it, I .

　　A. sent, got B. sent, have got C. sent, would go D. had sent, would have got.

　　17. The two strangers talked as if they ____ friends for years.

　　A. should be B. would be C. have been D. had been

　　18. Jane’ pale face suggested that he ____ ill, and her parents suggested that she ____ a medical examination.

　　A. be, should have B. was, have C. should be, had D. was, has

　　19. _____ it rain tomorrow, we would have to put off the visit to the Yangpu Bridge.

　　A. Were B. Should C. Would D. Will

　　20. When he was there, he ____ go to that coffee shop at the corner after work every day.

　　A. would B. should C. had better D. might

　　21.____ for the free tickets, _____ I would not have gone to the films so often.

　　A. If it is not B. Were it not C. Had it not been D. If they were not

　　22. There was a lot of fun at yesterday’s party. You ____ come, but why didn’t you?

　　A. must have B. should C. need have D. ought to have

　　23. I should have been there, but I ___ not find the time.

　　A. would B. could C. might D. should

　　24. If he ____ quietly as the doctor instructed, he wouldn’t suffer so much now.

　　A. lies B. lay C. had lain D. should lie