Thewindows_______afterschoolisover

发布时间：2020-07-11 13:17:57

The windows _______ after school is over













A.usually close












B.usually closed











C.are usually closed











D.are usually closing

网友回答

C解析本题是个被动句，窗子只能是动作的承受者，用be +过去分词的结构，过去分词通常加ed，故选C。
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