27. If only he ___ quietly as the doctor instructed, he would not suffer so much now.

A. lies. lay　 B. had laid

C.had lain D. should lie

28 There ____ a good way to solve many difficult physics problems.

A. are　　 B. has　　 C. exists　 D. be

26. ---what was she doing when you visited her?

---She was ____ herself in the mirror.

A. enjoying　　 B. admiring　　

　 C. devoting　　 D. seeing

25.The wet weather will continue tomorrow, when a cold front _____ to arrive.

A. is expected　 B. is expecting　

C. expects　　 D. will be expected

24.I like getting up very early in summer. The morning air is so good _____.

A. to be breathed　 B. to breathe　

C. breathing　　　 D. being breathed

23.If Newton lived today, he would be surprised by what ____ in science and technology.

A. had discovered　

B. had been discovered

C. has discovered　

D. has been discovered

22.All the neighbors admire this family, _____ the parents are treating their child like a friend.

A. why　 B. where　 C. which　 D. that

21.By nine o’clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, ____ appeared a rare rainbow soon.

A. of which　　　 B. on which　　

C. from which　　 D. above which

20.Occasions are quite rare ____ I have the time to spend a day with my kids.

A. who　 B. which　 C. why　 D. when

19.The book was written in 1946, ___ the education system has witnessed great changes.

A. when　　　　 B. during which　

C. since then　　 D. since when

18.---Do you know the artist ___ the judge gave a prize?

　---Yes, he is the teacher ___ I have been taught painting for two years.

A. to whom, who　 B. to whom, by whom

C．whom, who　 D. who, that