It must be a thief broke the glass.
问题描述:
It must be a thief broke the glass.
答
是吧 我觉得应该是
It must be a thief who broke the glass.
凭的语感啊,如果硬是不确定 问老师也可以呀
答
It must be a thief who broke the glass.
答
是.
It must be a thief who broke the glass.
这是个定语从句,必须由指示人的who来带领.