19. _____ will hurt the students’ eyesight.

　 A. Doing plenty of exercises　　　　　　　 B. Doing plenty of exercise.

　 C. Doing a lot of exercise　　　　　　 D. Doing a number of exercise

18. ---I called you last night, but nobody answered the phone.

　 ---Sorry, ________.

　 A. I must be sleep at that moment.　　　　 B. I must have slept at that moment.

　 C. I must have been asleep at that moment.　 D. I must have fallen asleep at that moment.

17. In Britain, ______ are called “private schools” are not owned by privates at all.

　 A. as　　 B. which　　 C. what　　　 D. that

16. I’ll show you a store ______ you may buy all _____ you need.

　 A. where; which　　 B. in which; that　 C. which; that　 D. that; that

15. There are two buildings, _______ stands nearly a hundred feet high.

　 A. the larger　　 B. the larger of them　 C. the larger one that　 D. the larger of which

14. Linda worked for the Minnesota Manufacturing and Mining Company, ______as 3M.

　 A. knowing　　 B. known　　 C. being known　　 D. to be known

13. ---Go for a picnic this weekend, OK?

　 ---_______. I love getting close to nature.

　 A. I couldn’t agree more　 B. I’m afraid not　 C. I believe not　 D. I don’t think so

12. According to a recent U.S. survey, children spend up to 25 hours a week ______ TV.

　 A. to watch　　 B. to watching　 C. watching　　 D. watch

11. Many students were late for the school this morning, Tom ______.

　A. include　 B. includes　 C. including　 D. included

10. _____ is reported in the newspaper, talks between the two countries are making progress.

　A. It　 B. As　 C. That　　 D. What