____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、、
问题描述：
____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、、
答
have you found your book yet ? Yes,I found it an hour ago.
答
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。
答
D.yet、ago完成时态的一个标志，
答
最佳答案为B，问句需用现在完成时，答句需用过去时。
答
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
答
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