—Mum?MayIgooutandplaybasketball?—

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问题详情:

—Mum?MayIgooutandplaybasketball?—

—Mum? May I go out and play basketball?

—______ you_____ your homework yet?  

A. Do; finish             B. Are;  finishing   C. Did; finish                     D. Have; finished

【回答】

D  

解析:yet一般多与完成时态连用。

知识点:动词时态

题型:选择题

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