题目内容：

It is the place( )we work in. This is the place ( )we work. This is the place ( )we visit.
This is the place ( )we work in.
Is this the place ( )we work?
Is this the place ( )we work in?
要答案和讲解

优质解答

都是定语从句的范畴This is the place (which,)we work in=This is the place in which we work因为有了in,从句中缺宾语,因为work是不及物动词Is this the place ( where )we work没有介词in ,从句不缺宾语,缺状语,...