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43. The growth of part-time and flexible working patterns, and of training and retraining schemes, _______ more women to take advantage of employment opportunities.
A) have allowed B) allow C) allowing D) allows
注：主谓一致，复杂主语中心词是growth，谓语动词用单数。
44. Everybody _______ in the hall where they were welcomed by the secretary.
A) assembled B) accumulated C) piled D) joined 注：assemble （人群的）聚集
45. Putting in a new window will _______ cutting away part of the roof.
A) include B) involve C) containD) comprise注：involve doing = need doing 需要
46. Living in the western part of the country has its problems, _______ obtaining fresh water is not the least.
A) with which B) for which C) of whichD) which注：of which 其中
47. In the _______ of the project not being a success, the investors stand to lose up to $30 million.A) face B) time C) even tD) course 注：in the event of 万一
48. The manager would rather his daughter _______ in the same office.
A) had not worked B) not to work C) does not work D) did not work
注：would rather 加一般过去时表示虚拟。
49. _______, he does get annoyed with her sometimes.
A) Although much he likes her B) Much although he likes her C) As he likes her much D) Much as he likes her
50. The British constitution is _______ a large extent a product of the historical events described above.
A) within B) to C) by D) at
vt. 聚集，集合，装配
vi. 集合，聚集
