18. A less conscientious man ______(not, try) so hard to get this job done.
19. Do you wish that you ______(have) a sister like her?
20. Isn’t it surprising that he ______(have) two car accidents during the past week?
选择题：
1. If I _______ you, I’d join the army.
A. am B. was C. were D. would be
2. “If the sun __A____ tomorrow, what would we do?”
A. will not rise B. would not rise
C. did not rise D. does not rise
3. If you ___B___ to see Mary, what would you tell her?
A. are B. will be going C. must D. were
4. I would have said “Hello” to him if I __C____ your brother.
A. could see B. had seen C. will see D. will have seen
5. If you had wanted to buy a record, what ____C____?
A. would you buy B. had you bought
C. would you have bought D. would you be buying
6. If the tablets had dissolved, John ____D__.
A. would probably die B. had probably died
C. probably would be died D. would probably have died
7. ________ if you had lost your watch?
A. Hadn’t you been upset B. Wouldn’t you be upset
C. Weren’t you upset D. Wouldn’t you have upset
8. -----“I was so sorry to hear about Jack.”
-----“If he had made more friends here, he might ____A____.”
A. have stayed B. have stay C. stayed D. stay
9. If I had a bike, I ___B___ it to you yesterday.
A. would have lent B. would lend
C. would have lend D. could lend
10. ______B______, John would not have failed.
A. If he has listened to me B. Had he listened to me
C. If he listened to me D. As he listened to me
11. Had Alice been more hardworking, she ___B_____.
A. had not failed B. would not have failed
C. would not fail D. could not be failed
12. -----“Steve made a reservation already.”
-----“___C___ he change his mind, he can cancel it.”
A. Should B. Would C. If D. So
13. I wished it __D_____ but it did.
A. occurred not B. did not accur
C. had not occurred D. would not occur
14. I ____C___ Professor Jones had taught me this equation.
A. believe B. deeply think C. wish D. suppose
15. The sun rises in the east and sets in the west, so it seems as if the sun _C____ around the earth.