It's high time you _told__us the truth.为什么这里不用tell?而用过去式?

Dear,it's high time thati forget you it's time _ you _ _ to school怎么填? It's _ _(不要紧).Work hard,and you will do it well next time. It's high time...的用法 it's high time的用法? It’s (about/high)time+that: 请问it's high time 的用法 it's high time that怎么翻译 英语：it's high time是什么意思?详细! it's high time that the fighting 翻译Don't play any longer .it's high time you ____down to your study . It's high time you _told__us the truth.为什么这里不用tell?而用过去式? It's high time you two ___(go) to school.为啥? 英语翻译Betty,it's time _ _ _ It's high time you had your hair cut;it's getting_______.A.too much long B.much too long It's high time you ___ your test paper now.A.hand in B.handed inC.would hand in D.musht hand in解释一下high time是什么意思! high是什么意思在It is high time you had a rest ,high 相当right吗 .It is time for sports.同义句 It's time _ _ _