"They have to work at once,________?"

"They have to work at once,________?"
A.can they
B.can't they
C.don't they
D.haven't they
孤月清风 1年前 已收到1个回答 举报

xsxsx168 幼苗

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答案C
变反意疑问句,前句是肯定后句用否定,且have to的否定式为don't have to.

1年前

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