题目内容

【题目】__________ the program , they have to stay there for another two weeks.

A. Not completing

B. Not having completed

C. Not completed

D. Having not completed

【答案】B

【解析】考查现在分词的否定式,they和complete是主动关系,用现在分词做状语,not应放在doing/having done前,句意:没有完成计划,我们不得不再待两个星期。故选B。

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