____you____your book yet?Yes,I____it an hour ago.A.Did...find,foundB.Have...found,foundC.Did...find,have foundD.Have...found,have found原因、、

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____you____yourbookyet?Yes,I____itanhourago.A.Did...find,foundB.Have...found,foundC.Did...find,havef

____you____your book yet?Yes,I____it an hour ago.A.Did...find,foundB.Have...found,foundC.Did...find,have foundD.Have...found,have found原因、、
____you____your book yet?Yes,I____it an hour ago.
A.Did...find,found
B.Have...found,found
C.Did...find,have found
D.Have...found,have found原因、、

____you____your book yet?Yes,I____it an hour ago.A.Did...find,foundB.Have...found,foundC.Did...find,have foundD.Have...found,have found原因、、
答案选 b
解析：问句中有时间状语yet应该用完成时,而回答中有an hour ago应该用过去时

最佳答案为B，问句需用现在完成时，答句需用过去时。

have you found your book yet ? Yes,I found it an hour ago.

yet是完成时的标志词，排除A,C
ago为一般过去式的标志词，排除D
所以答案是 B

D.yet、ago完成时态的一个标志，

Have you found your book yet?
Yes , I found it an hour ago.
你找到书了没？
一个小时前找到了。

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