Listen! His family must be quarreling, ?A. mustn’t it.B. isn’t it. C. aren’t they.D. needn

发布时间：2020-08-17 00:15:05

Listen! His family must be quarreling,     ?
A. mustn’t it.
B. isn’t it.
C. aren’t they.
D. needn’t they.

网友回答

A. mustn’t it.
B. isn’t it.
(答案→)C. aren’t they.
D. needn’t they.
解析：must表肯定推测，“一定”，对现在推测，family指家人。句意：听！他的家人一定正在争吵，是吗？
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