2019年mpa考试英语真题——连词531

{01}How can you expect him to make any progress _____ you never give him a chance to have a try?
A.when
B.unless
C.even though
D.until
解析：
本题选A。

{02}She stopped trying _____ she might have succeeded next time.
A.when
B.as
C.since
D.unless
解析：
本题选A。