2019年mpa考试英语真题——连词360

{01}Man must keep in mind that it will be years ________ the earth recovers from the damage he makes to it.
[      ]
A.when  
B.before  
C.since  
D.until
解析：
本题选B。

{02}________ they decide which college to go to, students should research the admission procedures.
A.As  
B.While
C.Until  
D.Once
解析：
本题选D。