I wonder who drank all the milk yesterday. It ______ have been Peter because he

游客2024-10-29  8

问题 I wonder who drank all the milk yesterday. It ______ have been Peter because he was out all day.

选项 A、mustn’t
B、can’t
C、won’t
D、needn’t

答案 B

解析 can’t是表示肯定推测的must的否定形式,表示“不可能,不会是”。
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