It's us who are taught physics by Mr.Zhang every Tuesday.
强调句型:
It is/was + 被强调部分 + that/who + 其余部分.
①可以强调主语,宾语,状语,不可以强调谓语,定语.
②强调人that/who均可,其余用that.
③当后面句子为过去时态时,用was；其余用is.
强调句是固定句型,即使被强调词是复数,也用It's ...that/who...