—Did you know when____?—Sorry,I have no idea.A.he will come B.will he come C.is he coming D.he was coming老师说答案是D,但我认为是A,

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—Did you know when____?—Sorry,I have no idea.
A.he will come B.will he come C.is he coming D.he was coming
老师说答案是D,但我认为是A,

主句是did过去式,所以从句用过去的时态,这个只有D是过去进行时
BC 语序也不对
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