题目内容
—________I swim here?
—I’m sorry. Children under 12________swim alone here.
A.Can; mustn't B.May; must C.Must: can’t D.Can't; can
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题目内容
—________I swim here?
—I’m sorry. Children under 12________swim alone here.
A.Can; mustn't B.May; must C.Must: can’t D.Can't; can