18. The old couple have been married for 40 years and never once ______ with each other.

　 A. had they quarreled　　　　　　　 B. have they quarreled

　 C. they had quarreled　　　　　　　 D. they have quarreled

17. ________blood if you can and many lives will be saved.

　 A. Giving　　　　 B. Given　　　　 C. To give　　　 D. Give

16. I should like to rent a house, modern, comfortable and ______ in a neighbourhood

A. In all　　　　　 B. after all　　　　　 C. above all　　　　 D. all in all.

15. It’s beyond description. Nowhere else in the world ______ such a quiet, beautiful place.

　 A. you can find　　　　 B. can there be　　 C. can find you　　　 D. there can be

14. ----Do you think your son should go to college?

　 ----Of course. _____, he should also go abroad for higher education.

　 A. In other words　　　 B. After all　　　 C. What’s more　　　 D. By the way

13. Jane owes ______to her father that she has been able to finish her college education.

　 A. it　 　　　　　B. that　　　　　 C. much　　　　 D. which

12. I should very much like to have gone to that party of theirs, but _________.

　 A. I have not been invited　　　　　　　　　 B. I will not be invited

　 C. I am not invited　　　　　　　　　　　　 D. I was not invited

11. A foreign language like English is difficult to learn, so you ______ work too hard.

　 A. mustn’t　　　　 B. ought to　　　　 C. should　　　 D. can’t

10. There is no light in the dormitory. They must have gone to the lecture half an hour ago, _____?

　 A. didn’t they　　　　 B. don’t they　 　　　C. mustn’t　　　 D. haven’t they

9. Brian told you that there wasn’t anyone in the room at that time , ______?

　 A. wasn’t there　　　　 B. did he　　　　　 C. was there　　　　 D. didn’t he