2019年mpa考试英语真题——连词591

{01}—  How long do you suppose it is _____ he arrived here?
— No more than half a week.
A.since
B.before
C.after
D.when
解析：
本题选A。

{02}— Why didn"t you stop her going swimming alone? 
— She had left the room _____ I had time to do it. A.after
B.before
C.till
D.as
解析：
本题选B。