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【题目】Its necessary to prepare for a job interview. the answers ready will be of great help.

A. To have had

B. Having had

C. Have

D. Having

【答案】D

【解析】句意:为工作的面试做好准备是必要的。把答语准备好将会对你有很大的帮助。根据句意可排除使用完成时态的A、B两项;C项不能作主语,故选D。

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