21.The father as well as his three children ____skating on the frozen river every Sunday afternoon

　in winter . 　　　A. is going　 　　　　B. go　 　　　　C. goes　　　　 　　D. are going　

20. I was ____ to the conclusion that eating too much fat can ____ heart disease and cause high blood

pressure.

　 A. led; lead　 　　　　B. leading; lead to　 　　　C. leading; lead　 　　　D. led; lead to

19. With the price of oil _____, the economy of that country is slowing down.

A. rising up　　 　　　B. going up　　　　　　 　C. taking up 　　　　　D. bringing up

18. When we dropped in, Professor Wang ____ for New York to attend a meeting, so we had only time

　for a few words.

　 A. has just left　 　　B. was just leaving 　　　C. is just leaving　 　　D. just left

17. All the roommates were _____ my suggestion that we should go camping the next month.

　 A. in honor of　　 　B. instead of　　　　 　　C. in favor of　　 　　　D. by means of

16. ____ the teacher ____ a burning candle, he helped the students to understand the function of

teachers.

　 A. Compared; to　　 　　　　　　B. Comparing; with 　

　C. Comparing; to　 　　　　　　D. Compared; with

15. --- Let’s go to the seaside and enjoy fresh air, OK?

　　---_____, I’ll pick you up soon.

A. I don’t get it　　　　 　　　　　　 B. That’s a good point　　

C. That’s your decision　 　　　D. Of course, you can

14. The number 2008 is a special number, ____ I think, that will be remembered by the Chinese forever.

A. which 　　　　　　　　 　　　B. what 　　　　　　　　　 　C. it　　　　　　　　　　　　　 　　 D. one

13. ---Could we put off the conference till Friday, sir?

　 ---Sorry, we can’t, for this is the only day of the week when all of us are ____.

A. essential　　　　　　　　　　　　　 　　　　　　　B. qualified　　　　　　　 　

C. convenient　　　　　　　　 　　　　　　　　　D. available

12. We ____ a serious setback when two members of the expedition were injured.

A. meet　　　　　　　　　　　　　 　　 B. had 　　　　　　　　 　C. encountered　　　 　　 　　 D. accepted