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The boy was paid $10 for washing ten windows,most of ____ hadn’t been cleaned for at least a year.A.those B.theseC.that D.which选什么?为什么?

题目详情
The boy was paid $10 for washing ten windows,most of ____ hadn’t been cleaned for at least a year.
A.those B.these
C.that D.which
选什么?为什么?
▼优质解答
答案和解析
选 D
非限制性定语从句的引导词,只能是which