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Saturdaymorning,Iusuallydosomehousework.()A.InB.OnC.AtD.For

题目详情

_______Saturday morning,I usually do some housework.(  )

A. In

B. On

C. At

D. For

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答案和解析
答案:B 考查常用介词的辨析.根据题干:_____Saturday morning,I usually do some housework.在星期六的上午,我经常做一些家务.在具体的某一天要用介词on,故选择B.