perhaps it will be a long time______from abroadA.that teacher comes backB.when teacher will come backC.before teacher comes backD.when teacher comes back选哪一个?为什么?为什么别的不能选?
问题描述：
perhaps it will be a long time______from abroad
A.that teacher comes back
B.when teacher will come back
C.before teacher comes back
D.when teacher comes back
选哪一个?为什么?为什么别的不能选?
答
C
答
中文翻译：也许离老师回国还有很长的一段时间。
选C
答
选择C 也许离老师回国还有很长的一段时间"before teacher comes back from abroad"是时间状语从句,整个做的是时间状语引导时间状语从句的只能是 when,before等时间副词,所以排除A.而B,D的意思不通(也许当老师回来还...