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
【试题答案】
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