I can hear the Browns phone bell ringing but no one is answering it; they be at home.A.

发布时间：2020-08-17 13:56:08

I can hear the Browns' phone bell ringing but no one is answering it; they      be at home.
A. would
B. might
C. needn't
D. can't

网友回答

A. would
B. might
C. needn't
(答案→)D. can't
解析：can't用在否定句中表示推测。
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