用it is/was+n.+that.......造句

Question

如题所述

Answer 1

这是强调句的句型结构。例如：
It was yesterday that he met Li Ping.
It is stability that destroys people’s ambition and barricades people’s steps.

Answer 2

It is robots that help us do the housework.
是机器人帮我们做家务。