1.Were it not for the snowy weather, we ____ all right.

　　A. would be B. would have been C. were D. may be

　　2. ____ more careful, his ship would not have sunk.

　　A. If the captain were B. Had the captain been

　　C. Should the captain be D. If the captain would have been

　　3. If he _____ me tomorrow, I would let him know.

　　A. should call B. should not have been able

　　C. were not able D. are not able

　　4. If you asked your father you _____ permission.

　　A. may get B. might get

　　C. should have called D. maybe get

　　5. ____ today, he would get there by Friday.

　　A. Would he leave B. Was he leaving

　　C. Were he to leave D. If he leaves

　　6. ______I you, I would go with him to the party.

　　A. Was B. Had been C. Will be D. Were

　　7.The millions of calculations involved, had they been done by hand, ______all practical value by the time they were finished.

　　A. could lose B. would have lost

　　C. might lose D. ought to have lost

　　8. Had Paul received six more votes in the last election, he______our chairman now.

　　A. must have been B. would have been

　　C. were D. would be

　　9. If you ______Jerry Brown until recently, you’d think the photograph on the right was strange.

　　A. shouldn’t contact B. didn’t contact

　　C. weren’t to contact D. hadn’t contacted

　　10. ______he English examination I would have gone to the concert last Sunday

　　A. In spite of B. But for C. Because of D. As for

　　11. Look at the terrible situation I am in! If only I______your advice

　　A. follow B. would follow

　　C. had followed D. have followed

　　13. If the horse won today, it______thirty races in five years.

　　A. would have won B. won

　　C. must have won D. did have won

　　14. There is a real possibility that these animals could be frightened, _______a sudden loud noise.

　　A. being there B. should there be

　　C. there was D. there having been

　　16. Jean Wagner’s most enduring contribution to the study of Afro-American poetry is his insistence that it ______in a religious, as well as worldly, frame of reference.

　　A. is to be analyzed B. has been analyzed

　　C. be analyzed D. should have been analyzed

　　17. I would have gone to visit him in the hospital had it been at all possible, but I ______ fully occupied the whole of last week.

　　A. were B. had been C. have been D. was

　　18. I apologize if I ______you, but I assure you it was unintentional.

　　A. offend B. had offended

　　C. should have offended D. might have offended

　　19. If you hadn’t taken such a long time to get dressed, we’d______there by now.

　　A. be B. been C. is D. have been

　　20. The sun rises in the east and sets in the west, so it seems as if the sun ________round the earth.

　　A. were circling B. circles C. is circling D. be circling