18. People in the earthquake-stricken areas have to deal with a lot of problems, _______ the lack of shelter is the most serious.

　 A. of which　　　 B. for which　　 C. where　　　 D. in which

17. The most serious problem ________the new government is how to supply more job opportunities.

　 A. faced　 B. facing　　 C. faced with　 D. facing to

16. Our elder son has been __________the continent for several months.

　 A. knocking about　　 B. knocking down　　 C. knocking over　　 D. knocking off

15. ---Did you tell him the answer yesterday?

---I ________, but I _________too busy.

A. would, were　 B. would have, was　　 C. could, was　 D. did, was

14. The bicycles in the other shop will be ________, but __________.

A.　　　 cheaper,: not as better　 B. more cheap; not as better

C. cheaper; not as good　　 D .more cheap; not as good

13. Quite a few chairs are ___________in the next room. You can _________one, of course.

　 A. available; fetch　　 B. useful; fetch　　 C. available; take　 D. useful; take

12. He _______ to me in class so as not _________ by the teacher.

A. whispered; to hear　 B. whispering ; hearing C. whispering; to be heard　 D. whispered; to be heard

11. At the foot of Vesuvius ________ her house and there was no way out except by boat.

A. lie　　 B. lay　 C. laid　 D. lying

10.He is ______with the plan, so he is __________it .

A. content ; for　 B. content, against　 C. contenting ; for　 D. content, against

9. The old couple have been married for 40 years and never once ______with each other.

A. they have quarreled　　 B. they had quarreled　 C. have they quarreled　 D. had they quarreled