1.（这个计划成功的关键） ___________is good planning.

2.The specific use of leisure______(每一人都不同)

3.The ship ' s generator broke down and the pumps____________________( 不得不用手工操作 ) instead of mechanically.

4.Although punctual himself, the professor was quite used______________( 习惯了学生迟到 ) his lecture.

5.I prefer to communicate with my customers ______( 通过写电子邮件而不是打电话）

6.After the terrorist attack, tourists ______ ( 被劝告暂时不要去该国旅游）

7.( 他把自己奉献于社区工作 ) ______ and is passionate about what he is doing.

8.Man should not exploit the natural resources ______ ( 以牺牲其他物种为代价 ).

9.When Sandy recovered from cancer, her doctor ______ ( 把此归因于她对未来的信念 ).

10.At the end of his speech, the school master encouraged the children to work hard ______ ( 不要让父母失望 ).

11.In the budget for this building, they failed to __( 考虑价格增长的因素 ).

12.Only after I slapped him on the back ____( 他才发现我并高兴得叫起来 ).

13.I didn ' t even speak to him, ____( 更不用说与他讨论事情 ).

14.Some young people would rather try hard themselves to go through life than _____( 求助于他们的父母 ) with a sense of guilt.

15.The victim _____( 本来有机会活下来 ) if he had been taken to hospital in time .

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