Our school has been open for 70 years.(改为 同义句) It ______ 70 years _____ our school opened.

问题描述:

Our school has been open for 70 years.(改为 同义句) It ______ 70 years _____ our school opened.

It 【is 】 70 years 【since】 our school opened.或者
It 【has been】 70 years 【since】 our school opened
两个都可以
翻译:自从我们学校创办以来已经有七十年了