14.you have seen jane in her office last friday; she's been out of town ofr two weeks.a:couldn't
b:mustn't c:wouldn't d:shouldn't
人气：121 ℃ 时间：2019-12-08 12:16:11
解答
a:couldn't 对.
You ______ have seen jane in her office last friday; she's been out of town for two weeks.
根据句子的意思Jane以前离开这个城镇两个星期了.
昨晚 是不可能在her office的.
couldn't have done 表达的正是这个意思.
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