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题目
The clever boy made a hole in the wall,_______ he could see what was going on inside the house.
A in which ,that
B on which,what
Cthrough which,what
D at which,that
,但我想问为什么不选A、D呢?in which不是在……里面的意思,at which不是在……里面或在……上面的意思吗
请大家详细分析每个选项,不复制别人回答,

提问时间:2020-08-01

答案
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