I have written to him because he phoned me shortly afterwards.A. ought toB. mustC. couldn’

发布时间：2020-08-16 11:47:09


I      have written to him because he phoned me shortly afterwards.
A. ought to
B. must
C. couldn’t
D. needn’t

网友回答

A. ought to
B. must
C. couldn’t
(答案→)D. needn’t
解析：“我本应该给他写封信因为他之后不久给我打了个电话。”ought to have done“本应该做某事”答案D。
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