题目内容
I.单项选择。
1- —David, you please sweep the floor and take out the trash?
—OK,Mum. (2015山东济南)
A. could B. may C. should D. must
1.A
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题目内容
I.单项选择。
1- —David, you please sweep the floor and take out the trash?
—OK,Mum. (2015山东济南)
A. could B. may C. should D. must