13. He acts as if he _______the owner of the house.　

　 A. will be　 B. has been　 C. is　 D. were

12. Tom insisted what he said ____ true and we insisted that he ____ and have a look.　

　 A. be; should go　 B. should be; would go　　 C. was ; go　 D. was ; would go

11. ___the fog, we should have reached the top of the hill.　　

A.　　 In spite of　 B. If there were no　 C. But for　 D. Because of

10. ---- Would you have called her up had it been possible?

　 ---Yes, but I ___ busy doing my homework.　　　　

　　 A. was　 B. were　 C. had been　 D. would be

9. --- I have great difficulty working out this problem.　　

　 --- ___ to me, you ____ less difficulty with such problems.

　 A. If you had listened , would have had　 B. If you listened, would have　

　 C. Had you listened, would have　　 　　D. If you listen, will have

8. His illness was too serious; otherwise he______saved.　　　

A.　　 could be　 B., couldn’t have been c. could have　 D. could have been

7. ____the expense, I ___to Italy.　　

　 A. If it were not; go　 B. Were it not for ; I would go

　 C. Weren’t it for; will go　 D. If it hadn’t been; would have gone

6. ___ it to clear up tomorrow, the tourists would climb to the top of the mountain to wait for the sun ____.　

　 A. If; to raise　　 B. Were; to rise　 C. Should; to rise　 D. Because; raising

5. How I wish I ____ that! Everybody present was angry with me.　　

　 A. didn’t do　 B. hadn’t done　 C. wouldn’t do　 D. wasn’t doing

4. My advice is that he ___ so much.　　

　 A. not smoke　 b. doesn’t smoke　 C. won’t smoke　 D. must not smoke