do you think people will have robots___?A.at their home B.in their home是不是选B?不都是说at home 为什么这里要in their home

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doyouthinkpeoplewillhaverobots___?A.attheirhomeB.intheirhome是不是选B?不都是说athome为什么这里要intheirhomedoyouth

do you think people will have robots___?A.at their home B.in their home是不是选B?不都是说at home 为什么这里要in their home
do you think people will have robots___?A.at their home B.in their home
是不是选B?不都是说at home 为什么这里要in their home

do you think people will have robots___?A.at their home B.in their home是不是选B?不都是说at home 为什么这里要in their home
不是,at home是对的,但前面有代词(their)修饰就表示home是名词了,这时通常用in

in 表示事物身处其中的场所
at 表示事物发生的地点、位置

B:at home 是一个介词短语,属于固定搭配,是不能拆开来使用的。而 in one's home 则只是一个普通的定语,表示【在......的家里】。