问题
选择题
I have written to him because he phoned me shortly afterwards.
A．ought to
B．must
C．couldn’t
D．needn’t
答案
答案：D
“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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I have written to him because he phoned me shortly afterwards.
A．ought to
B．must
C．couldn’t
D．needn’t
答案：D
“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。