文档介绍：43. ---I hear Warren _____ ina middle school. --- What? I can ’t imagine him _____ asa teacher. A. teaches; working B. teaches; work C. teach; to work D. teach; working 44. _____ he’s only been learning English for a year, he speaks it very well. A. Considered B. Considering C. Having considered D. To consider 45. It was puter games that cost the boy a lotof time that he ought to have spent on his lessons. A. to have played B. playing C. played D. having played 46. Atno time does the salesgirl get up late in the morning, for she is always too busy _____ a good rest. A. to take B. taking C. took D. taken 47. _____ as the most excellent student in her university, as most classmates had expected, made her parents very happy. A. Mary was chosen B. Mary chosen C. Mary being chosen D. Mary ’s being chosen 48. _____ the big snake, the little girl stood under the tree _____ to death. A. Seeing; frightened B. Seeing; frightening C. Seen; frighten D. To see; frightening 49. You will see this product made in this factory _____ wherever you go. A. tobe advertised B. advertised C. advertise D. advertising 50. Mr. Green is said _____ an experiment to prove the new method of solving the problem when young. A. todo B. to have done C. tobe doing D. to have been doing 答案及部分解析: 1-5 CDDAD 6-10 DDCAB 11-15 BDABC 16-20 CACDB 21-25 CDCDA 26-30 DDBBD 31-35 ADDBC 36-40 ACCAB 41-45 CDABB 46-50 ADABB