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We make it a rule that each of us ___ the classroom one day a week.A.has cleaned B.have cleanedC.c

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时间:2024-08-17 10:55:39
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We make it a rule that each of us ___ the classroom one day a week.A.has cleaned B.have cl

【专家解说】:C. cleans 用[一般现在时]表示一些事情在目前来说是真的.
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