You ______ not have seen her yesterday, for she was abroad.A、mustB、shouldC、cou

游客2024-01-14  22

问题 You ______ not have seen her yesterday, for she was abroad.

选项 A、must
B、should
C、could
D、would

答案 C

解析 考查情态动词的用法。could(not)have done 表示对过去发生事情的判断和推测。
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