------Hi,Bob,i cannot find my electric shaver!

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/11/12 06:58:32

------Hi,Bob,i cannot find my electric shaver!
-------Sorry,I ( ) it and I guess I put it on the top shelf with my things
A.used B.had used

B是过去完成时,需要过去的过去,也就是说,加上现在要有3个时间段.

可语境中只有一个过去, 两个时间段. 所以不能过去完成时.

可以现在完成时或者过去式.
再问：但 put it on the top shelf with my things 的动作不就已经发生在过去了吗，那use 的动作不就应该是过去的过去了吗？为什么不用过完呢？谢谢
再答： put it on the top shelf with my things跟used it同一个时间段的。

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