are the postman cold or hot ? 为什么回答是 they are not cold,they are hot 时隔多年，还是有些不懂

are the postman cold or hot ? 为什么回答是 they are not cold,they are hot 时隔多年，还是有些不懂

因为问题中是are，复数，postman是集体名词，可以代表一个同性质的群体。
当然如果问题中是is，回答是is，但这里情况不同。
可以用these取代the在没有特别指示时。
Are these 是可以的，但不能说are they/them policemen，但可以说are they short or tall, them 是宾语，不可放在主语位置，例postman deliever letters to me, I collect them.

这个不清楚

你说的除了“are they policemen”不对，剩下都可以。

are the postman cold or hot ?
语法是不对的，应该是复数作主语are the postmen cold or hot ?
postmen 复数，邮递员们

另外回答they are not cold,they are hot也是不正确的，两句话用逗号连接，缺少连词，应该是用句号断开成为两句话。

Are the postmen cold or hot ?
回答是 They are not cold. They are hot.

Is the postman cold or hot ?
回答是 He/She is not cold. He/She is hot.

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