2019年mpacc考试英语真题——连词1051

{01}____ you told me, I had heard nothing of what happened. 

A.Till

B.Until

C.After

D.Since

解析：略
本题选B。
{02}It is hoped that it won’t be long      the stu dents aren’t burdened with so much homework.

A.before

B.since

C.that

D.after

解析：略
本题选A。
{03}—Have you known each other for long?
Not very long, __________ we started to work in the company.

A.after

B.before

C.when

D.since

解析：略
本题选D。