题目内容
【题目】Our classroom should ______ by ourselves every day.
A.clean
B.cleaned
C.be cleaned
D.be cleaning
【答案】C
【解析】句意:我们的教室应该每天打扫。主语教室是谓语动词clean的承受者,句子用被动语态。Should是情态动词,带有情态动词的被动语态的构成:情态动词+be+及物动词的过去分词。故选C。
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题目内容
【题目】Our classroom should ______ by ourselves every day.
A.clean
B.cleaned
C.be cleaned
D.be cleaning
【答案】C
【解析】句意:我们的教室应该每天打扫。主语教室是谓语动词clean的承受者,句子用被动语态。Should是情态动词,带有情态动词的被动语态的构成:情态动词+be+及物动词的过去分词。故选C。