问题
选择题
He ___ at the meeting this morning.He was in hospital at the time.
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答案
答案：A
作“不可能”一类的否定推测,不要用mustn’t,而要用couldn’t.
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He ___ at the meeting this morning.He was in hospital at the time.
|
答案：A
作“不可能”一类的否定推测,不要用mustn’t,而要用couldn’t.