有很多个人 每个人有一个苹果 是their apple还是their apples

问题描述:

有很多个人 每个人有一个苹果 是their apple还是their apples
是 all of them have an apple
还是 all of them have apples
还是 all of them has an apple

all of them have an apple.或者each of them has an apple.