中文谷―HasSamfinishedhishomeworktoday?―Ihavenoidea.He
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问题详情：
― Has Sam finished his homework today?
―I have no idea. He ______ it this morning.
A. did B. has done C. was doing D. had done
【回答】
C知识点：其他
题型：选择题
标签：
IhavenoideaHe
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