—Mum?MayIgooutandplaybasketball?—
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问题详情:
—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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