His family is/are eating dinner now

问题描述:

His family is/are eating dinner now

are

is:他们全家正在吃饭。(将family 看做一个整体,译为“全家”)
are:他的家人们正在吃饭。

他的家庭(家人)正在吃正餐(晚饭)

His family are eating dinner now

are 这里的family 指家人 用复数