26.It is high time that such practices ____.A) be ended B) were ended C) are ended D) must be ende选哪个?

It is high time It is high time it is high time的high是什么意思 it is high time that . It is time(high time)that .It is time( high time)that it is high time that的用法 It is high time that sb.should do 其中 high it is high time to 例句：It is high time to protect the animal It is high time that they started out.他们该动身了.It is high time中high是何意?It is high time如何翻译 It is high time that something were done upon it. It is high time that something were done upon it high是什么意思在It is high time you had a rest ,high 相当right吗 虚拟语气It is high time that we should take effective measures还是It is high time that we took~It is high time that we take effective measures.这句是我作文时写的,因为should可以省略我就没有写了.但是老师改为It is high t Itt high time you had your hair cut , It is high time 怎么用啊,后面接什么? It is high time that的具体用法? it is high time后面加什么形式的动词 It is high time that +从句,前面的如何翻译?