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题目
英语选择题The boy read a detective book ,so he the library yesterday.
The boy read a detective book ,so he the library yesterday.
A.can't be in B.can't have been to C.must have been to D.must have been in
我选了C,不对 顺便说说have been to have been in 的区别

提问时间:2020-10-01

答案
D have been to 只表示去过图书馆但并不一定在那看书,而have been in 表示在图书馆里呆过(看书)
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