什么叫做it is high time.

It is high time it is high time的high是什么意思 it is high time to it is high time that . It is high time 怎么用啊,后面接什么? it is high time后面用什么时态 it is high time后面加什么形式的动词 It is time(high time)that . It is high time you___in bed now. 求It is (high) time 的用法~ It is time that 和it is high time that怎么用什么区别后面加的时态 it is high time that +should do 与it is high time that +did的区