题目内容

We make it a rule that each of us ________ the bedroom one day a week.

[  ]

A.

has cleaned

B.

have cleaned

C.

cleans

D.

clean

答案:C
解析:

  考查时态。one day a week“一周一天”,强调动作的反复性,应用一般现在时,所以答案选C。


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