The clever boy made a hole in the wall, he could see was going on inside house. A. which; what B. through which; what C. through that; what D. what; that 【查看更多】
题目列表(包括答案和解析)
The clever boy made a hole in the wall, ______ he could see what it was going on inside the house.
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A. on which B. at which C. through which D. in which
