Question

I’m sorry you’ve been waiting so long, but it is still some time ____ Brian gets

I’m sorry you’ve been waiting so long, but it is still some time ____ Brian gets back.
A. before
B. since
C. till
D. after

Answer 1

答案A
考察固定句型。It be 一段时间 before从句，指一段时间以后某事才发生。句意：对不起让你久等了，但还要有一段时间以后Brian才你能回来。故A正确。