问题
选择题
Jenny ____ have kept her word.I wondered why she changed her mind.
A．must
B．should
C．need
D．would
答案
答案：B
should have done表示：本来应该做，却没有做。
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Jenny ____ have kept her word.I wondered why she changed her mind.
A．must
B．should
C．need
D．would
答案：B
should have done表示：本来应该做，却没有做。
