-----Susan,why are you still here?They are all ready to start.-----I,m sorry,but I ------- when

问题描述:

-----Susan,why are you still here?They are all ready to start.-----I,m sorry,but I ------- when
选哪项,为什么?
-----Susan,why are you still here?They are all ready to start.-----I,m sorry,but I ------- when to leave A dont tell B didnt tell C wasnt told能给翻译一下吗?

选择C,英语要多念多听,不要想什么语法.