题目内容
【题目】________ Sunday morning, he cleaned his room. _______ the afternoon, he did his homework. __________ night, he watched Olympic Games.
A.On; On; OnB.On; In; At
C.On; In; InD.In; In; At
【答案】B
【解析】
句意:在星期天上午,他清扫了他的房间,下午他做了作业,晚上,他观看了奥林匹克赛。考查介词。在具体的某一天的上午,下午或晚上使用介词on,在下午上午使用介词in,在晚上用at;故选B。
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