2019年mpacc考试英语真题——连词592

{01}—Why do you drink so much coffee?
—Well, _______ it doesn’t keep me awake in the night, I see no harm in it.

A.because

B.as soon as

C.so long as

D.while

解析：此题考查连词的用法，so long as意为“只要是” 表示条件。
本题选C。
{02}What a great weight I felt taken off my mind ________ I heard I had passed the College Entrance Examination!

A.while

B.the moment

C.until

D.before

解析：the moment是名词词组用作连词，用来连接时间状语从句，意思相当于as soon as。句意为：一听到我通过了大学考试，我感到如释重负。
本题选B。
{03} I wrote to my parents once a week,____ I was too busy with my teaching work.

A.it

B.unless

C.when

D.as

解析：unless＝if...not。
本题选B。