mum can I watch the TV program for another twenty minutes

问题描述:

mum can I watch the TV program for another twenty minutes
sorry it is time you ------ to bed
A went B go C WILLGO Dmust go
选什么 为什么

本题选A went .
it is time sb.did sth是固定用法,
属于虚拟语气,
表示应该做某事,但是没有做的意思.
这个用法你记死它就行.