21. The foreigner tried his best, but he still couldn’t make his point ___.

　　A. understand

　　B. understanding

　　C. to understand

　　D. understood

　　22. The scientists were waiting to see the problem ______.

　　A. settle B. settled

　　C. to settle D. settling

　　23. The library’s study room is full of students _____for the exam.

　　A. busily prepared

　　B. busy preparing

　　C. busily prepare

　　D. are busily preparing

　　24. The ground is _____with ____ leaves.

　　A. covering, falling

　　B. covered, falling

　　C. covered, fallen

　　D. covering, fallen

　　25. Lessons ____easily were soon forgotten.

　　A. to learn B. learn

　　C. learned D. learning

　　26. The wallet ____several days ago was found ____in the dustbin outside the building。

　　A. stolen, hidden

　　B. stealing, hiding

　　C. stealing, hidden

　　D. stolen, hiding

　　27. A person _____a foreign language must be able to use the foreign language, ______all about his own.

　　A. to learn, to forget

　　B. learning, to forget

　　C. to learn, forgetting

　　D. learning, forgetting

　　28. ___different kinds of pianos, the workers farther improved their quality.

　　A. To produce

　　B. Being produced

　　C. Produced

　　D. Having produced

　　29. The students in the university are all taking courses ___a degree.

　　A. coming to B. going to

　　C. leading to D. turning to

　　30. Many things _____impossible in the past are very common today.

　　A. consider B. considering

　　C. considered D. be considered

　　31. ___many times, he still couldn’t understand.

　　A. Having been told

　　B. Having told

　　C. He having been told

　　D. Telling

　　32. The old sick lady entered the hospital, ____her two sons.

　　A. to support B. supporting

　　C. supported by D. having supported

　　33. China is one of the largest countries in the world, _____9. 6 million square kilometres.

　　A. to cover B. covered

　　C. covers D. covering

　　34. ____and happy, Tony stood up and accepted the prize.

　　A Surprising

　　B. Surprised

　　C. Being surprised

　　D. To be surprising

　　35. The visiting Minister expressed his satisfaction with the talks,____ that he had enjoyed his stay here.

　　A. having added

　　B. to add

　　C. adding

　　D. added

　　36. “Can you read?” Mary said ____to the notice.

　　A. angrily pointing

　　B. and point angrily

　　C. angrily pointed

　　D. and angrily pointing

　　37. _____ the composition, John handed it to the teacher and went out of the room.

　　A. Writing B. Having written

　　C. Written D. Being written

　　38. Were you ____when you saw that wild animal ?

　　A. fright B. frightening

　　C. frightened D. frighten

　　39. Properly _____with numbers, the books can be easily found.

　　A. marked B. mark

　　C. to mark D. marking

　　40. The child sat in the dentist’s chair ____.

　　A. tremble B. trembling

　　C. trembled D. to trembled

　　41. At this moment the bell rang, _____the end of class.

　　A. announce

　　B. announcing

　　C. announced

　　D. to announce

　　42. He walked down the hills, ____softly to himself.

　　A. sing B. singing

　　C. sung D. to sing

　　43. I had to shout to make myself _____ above the noise.

　　A. heard B. hearing

　　C. hear D. to hear

　　44. The graduating students are busy ___material for their reports.

　　A. collect B. to collect

　　C. collected D. collecting

　　45. The cars ____in Beijing are as good as those ____in Shanghai.

　　A. produce, produce

　　B. produced, produced

　　C. produced, producing

　　D. producing, producing

　　46. When I came in, I saw Dr. Li _____a patient.

　　A. examine B. examining

　　C. to examine D. examined

　　47. ____a satisfactory operation, the patient recovered from illness very quickly.

　　A. Having been given

　　B. Having given

　　C. Giving

　　D. Being given

　　48. ____a satisfactory operation, the doctor believed the patient would recover from his illness very soon.

　　A. Having been given

　　B. Having given

　　C. Giving

　　D. Being given

　　49. He wrote a letter to me _____that his trip to Japan had been put off because of the bad weather.

　　A. inform

　　B. informing

　　C. informed

　　D. being informed

　　50. He reads newspapers every day to keep himself ____about what’s going on in the world.

　　A. inform

　　B. informing

　　C. informed

　　D. being informed

　　参考答案：

　　I. 1—5 BCBBC 6—10 CDCCC

　　11—15BBBBD 16—20 DABCD

　　21—25DBBCC 26—30 ACDCC

　　31—35ACDBC 36—40ABCAB

　　41—45BBADB 46—50BABBC