The family_at the lunch table when someone came to tell them what had happened at_.A.were sitting,Mr.Brown B.were sitting,Mr.Brown 's 请说明原因,谢谢!

问题描述:

The family_at the lunch table when someone came to tell them what had happened at_.
A.were sitting,Mr.Brown B.were sitting,Mr.Brown 's 请说明原因,谢谢!

A
这句话的意思是:当有人来告诉他们Mr. Brown出了什么事的时候,全家正坐在餐桌旁吃午餐。
family这里指全体家庭成员,故后接复数;
sth happen to sb.,表示某人发生了某事,故后接名词或代词。

Mr.Brown 's=Mr.Brown 's home