I think he must be an astronaut,______?
參考答案:isn't he
陈述句中的谓语动词含有“推测”性的词must(一定)时,反意疑问部分多与must之后的动词形式和时态与句子主语保持一致。
Her mother must be a teacher, isn’t she?
She must have read the novel, hasn’t she?
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I think he must be an astronaut,______?
參考答案:isn't he
陈述句中的谓语动词含有“推测”性的词must(一定)时,反意疑问部分多与must之后的动词形式和时态与句子主语保持一致。
Her mother must be a teacher, isn’t she?
She must have read the novel, hasn’t she?