1. It is unwise _______ _______ _______ _______ _______ the proposal. 　　

他们拒绝这个建议很不明智。

29.　 Properly ___________ (mark) with numbers, the books can be easily found.　　 30.　 The child sat in the dentist's chair ___________ (tremble).　　　　　　　　 31.　 At this moment the bell rang ___________(announce)the end of class.　　　　　　 32.　 He walked down the hills, ___________ (sing) softly to himself.　　　　　　　 33.　 I had to shout to make myself ___________ (hear) above the noise.　　　　　　 34.　 The graduating students are busy ___________ (collect) material for their reports.　　 35.　 The cars ___________ (produce) in Beijing are as good as those ___________ (produce) in Shanghai.　　　 　　　　　　　　　　　　　　　　　　　　　 36.　 When I came in, I saw Dr. Li __________ (examnie) a patient.　　　　　　　 37.　 ___________ (give)　 a satisfactory operation, the patient recovered from illness very quickly.　　　　　　　　　　　　　　　　　　　　　　　 38.　 __________ (give) a satisfactory operation, the doctor believed the patient would recover from his illness very soon.　 　　　　　　　　　　　　　　　　　 39.　 He wrote a letter to me ___________ (inform) that his trip to Japan had been put off because of the bad weather.　　　　　　　　　　　　　　　　　　　 40.　 He reads newspapers every day to keep himself ___________ (inform) about what's going on in the world.　　　

25.　 The visiting Minister expressed his satisfaction with the talks, ___________ (add) that he had enjoyed his stay here.　　　　　　　　　　　　　　 26.　 Can you read? Mary said .angrily ___________ (point) to the notice.　　　　　　　 27.　 ___________ (write) the composition, John handed it to the teacher and went out of the room.　 　　　　　　　　　　　　　　　　　　　　　　　　 28.　 Were you ___________ (frighten) when you saw that wild animal?　　　　　　　　　

11.　 The foreigner tried his best, but he still couldn't make his point ____________. ( understand) 12.　 The scientists were waiting to see the problem ___________. (settle).　　　　 13.　 The library's study room is full of students busy ___________　(prepare) for the exam. 14.　 The ground is ___________ (cover )with ___________ (fall) leaves.　　　　　　　　 15.　 Lessons ___________ (learn) easily were soon forgotten.　　　　　　　　 16.　 The wallet ___________ (steal) several days ago was found ___________ (hide)in the dustbin

outside the building.　　　　 　　　　　　　　　　　　　　　　　　　 17.　 A person ___________ (learn) a foreign language must be able to use the foreign language __________

(forget ) all about his own.　　　　　　　　　　　　　　 18.___________ (produce)different kinds of pianos, the workers farther improved their quality.　　 　　　　　　　　　　　　　　　　　　　　　　 19.　 The students in the university are all taking courses ___________ (lead) to a degree.　　　　　　　　　　　　　　　　　　　　　 20.　 Many things ___________ (consider) impossible in the past are very common today.　　 21.　 ___________ (tell)many times, he still couldn't understand.　　　　　　　 22.　 The old sick lady entered the hospital, ___________ (support) by her two sons.　　　　 23.　 China is one of the largest countries in the world, ___________ (cover) 9.6 million square kilometres.　　　　　　　　　　　　　　　　　　　　 24.　 We must keep a secret of the thing ___________ (discuss) here, the general said, seriously __________ (stare) at the man in charge of the imformation office.　　　　　　

10. ___________ (lose) in thought, he almost ran into the car in front of him.　

9. 　 People in the south have their houses ___________ (make of ) bamboo.

8. 　 The workers had the machines ___________ (run) all night long to finish the work on time.

7. 　 ___________compare) with the old one, the new building looks more beautiful.

6. 　 The missing boys were last seen ___________ (play) near the river.

5. 　 He worked so hard that he got his pay ___________. (raise)