Hepaidtheboy$10forwashingtenwindows,mostof________hadn'tbeencleane

发布时间:2020-08-07 04:51:09

He paid the boy $10 for washing ten windows,most of ________ hadn't been cleaned for at least a year.A.theseB.thoseC.thatD.which

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D解析用在介词后的关系词用which。
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