中文谷Hedoesn’tknow
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问题详情：
He doesn’t know_____ to hand in the homework. I think he may do it tomorrow.
A. where B. what C. which D. when
【回答】
D
知识点：相似 相近词比较
题型：选择题
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问题详情：
He doesn’t know_____ to hand in the homework. I think he may do it tomorrow.
A. where B. what C. which D. when
【回答】
D
知识点：相似 相近词比较
题型：选择题
