__a noise just then?A.Have you heard B.Were you hearing C.Are you hearing D.Did you hear请说明理由

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__anoisejustthen?A.HaveyouheardB.WereyouhearingC.AreyouhearingD.Didyouhear请说明理由__anoisejustthen?A.Ha

__a noise just then?A.Have you heard B.Were you hearing C.Are you hearing D.Did you hear请说明理由
__a noise just then?A.Have you heard B.Were you hearing C.Are you hearing D.Did you hear
请说明理由

__a noise just then?A.Have you heard B.Were you hearing C.Are you hearing D.Did you hear请说明理由
D
根据then是“在那时”,用一般过去时.

D
just then 刚才,用于一般过去时。
祝你开心。

D just now是过去式标志

A

选D just then 指那时,肯定是过去了

D just then是典型的过去时态标志

D.Did you hear
因为heard 是hear 的过去时态,所以问did