题目内容：

zhanghua's family are all at home对吗?is?

优质解答

are
family 这类词叫做 集体名词.当我们把它当作一个整体的时候,就是单数；如果看做一个个成员的时候,就是复数.
His family is a big one.
His family are watching TV.相当于 his family members