The boy didn't know what he should do____his teacher gave him some advice.
问题描述：
The boy didn't know what he should do____his teacher gave him some advice.
A.after B.when C.while D.until
我们班几个学习好的同学选的B,我怎么觉得不对呢?是不是选D呀?
答
D是对的 not...until...直到.才.
那个男孩直到老师给他一些建议才知道应该做什么.