22. He goes to visit his mother who is living in the country every ______weeks.　　

A. fourth 　　　　　　 B. other　　　 C. few 　　　　　　　　　　 D. A　 few

21. We must be clearly _____ that English has been a must in international trade.　

A. known 　　　　　 B. aware　　　　 C. realized　　　 D. seen

20._____ we have finished the course, we shall take a new one.　

　 A. Now that 　 B. Since that 　　 　C.　 Since now　　　 　　　　　 D. By now

19. He broke _____ his family and has got to live in Australia.

　 A. down 　　　　 B. into　　　　　 　 C. away from　　　　　 　 D. through　

18.______ his age, he has done the work considerably well. 　

A. Permitting for　 　　　B. Allowing for　

C. Caring for　　　　　　 D. Providing for

17. The Tower of London is _________ the Church tower.

A. twice high than　 　　　　　　　 B. two times as higher as　　

C. twice higher as　　　　 　　 D. three times the height of　

15. Since she is angry, we might as well ______ her alone.

A. leave　　　　　　　　 B. to leave　　 C. leaving　　 D. left　

16 It’s useless ____to persuade him to get rid of that habit; he just can’t make ____.

A. trying; it　　　　　 B. to try; that　 C. trying; that　 D .in trying; it　　

14. They spent three months at ____sea before they went on ___ shore.　

A. the; the　　　 B. /; /　　　　　 C. the; /　　 D. /; the

13.If you listen to me, you ___have some candies, honey.　

A. shall　　　　　　　　　 B. may　　　　　 C. will　　　　　　　 D. must

12.It was yesterday morning that your letter _____me. 　　　　　

A. arrived 　　　B. got　 　　　　C. reached　 　D. received