18. ----- Has Mary finished writing her article?

　　 ----- No, and it _____ before class was over.

　　 A. should be finished　　　　　　　　　　 B. should finish

　　 C. should have finished　　　　　 D. ought to have been finished

17. I really _____ thank you enough. It’s been an amazing day.

　　 A. needn’t　　　　 B. should　　　　 C. must　　　　　　　　 D. cannot

16. The computer program is a puzzle to me. The more I think of it, the more questions I think of _____.

　　 A. ask　　　　　　　　　　 B. asked　　　　 C. being asked　　　 D. to ask

15. Realizing I would be late, I quickly dressed my son and _____ my bag, went to work.

　　 A. carried　　　　 B. carrying　　 C. to carry　　　　　　 D. having carried

14. Hard work and lack of sleep has _____ her beauty and youth in recent years.

　　 A. worn out　　　 B. tried out　　 C. made out　　 D. sent out

13. In order to _____ the development of the west of our country, many special policies have been made, such as encouraging people to go to work in the west.

　　 A. accelerate　　 B. accomplish C. acknowledge　　 D. accompany

12. ----- Why don’t you do some shopping in the second-hand store ?

　　 ------ Well, the goods there are _____, but _____.

　　 A. more expensive; worse　　　　　　　 B. more expensive; not as bad

　　 C. cheaper; good enough　　　　 D. cheaper; not as good

11. In the past few years, my hometown has changed_____ recognition.

　　 A. from　　　　　　　　　 B. beyond　　　　　　　 C. over　　　　　　　　　 D. with

10. Heart trouble is one of the most serious _____ of death among old people.

　　 A. reasons　　　　 B. troubles　　　　　　 C. illnesses　　 D. causes

9. This shop sells _____ clothing.

　　 A. child’s and woman’s　　　　　 B. children and women’s

　　 C. children’s and women　　　　 D. children’s and women’s