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We on this project for four hours. Let’s have a rest. A. are working B. have bee

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We on this project for four hours. Let’s have a rest. A. are working B. have bee

 We ____ on this project for four hours. Let’s have arest.

A. are working   B. have beenworking    C. worked       D. hadworked

 

试题答案

【答案】

B

【解析】略

 

标签：forfourhoursprojectwe

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