The clever boy made a hole in the wall, he could see was going on inside house.
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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
试题答案
B
解析:
through which引导定语从句，through which即through the hole,在定语从句中作状语。What引导的是see的宾语从句，并作从句的主语。