英语小题题2_______my dictionary?I can't find it anywhere.I _________it on the shelf when I came in.A.Have you seen,sawB.Did you see,saw(为什么不选B)

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英语小题题2_______my dictionary?I can't find it anywhere.I _________it on the shelf when I came in.A.Have you seen,sawB.Did you see,saw(为什么不选B)

英语小题题2_______my dictionary?I can't find it anywhere.I _________it on the shelf when I came in.A.Have you seen,sawB.Did you see,saw(为什么不选B)
英语小题题2
_______my dictionary?I can't find it anywhere.
I _________it on the shelf when I came in.
A.Have you seen,saw
B.Did you see,saw
(为什么不选B)

英语小题题2_______my dictionary?I can't find it anywhere.I _________it on the shelf when I came in.A.Have you seen,sawB.Did you see,saw(为什么不选B)
Have you ...到现在为止,你见到了我的字典吗,不是指过去特定的某段时间,而是一个开放的时段.
Have you eaten?吃了吗?不说Did you eat?是一样的道理.

对话的时候,总归是在“现在”,现在要问过去的事情,用现在完成

过去式代表过去发生的事情
现在完成式代表从过去一直到现在还有可能继续的事情
这道题目明显没有找到字典,还会继续找字典,所以只要还有可能继续存在影响的事情,都应该用完成式