2019年mpa考试英语真题——连词542

{01}Scientists say it may be five or six years _____ it is possible to test this medicine on human patients. A.since
B.after
C.before
D.when
解析：
本题选C。

{02}Put that money somewhere safe _____ it gets stolen. A.before
B.after
C.when
D.while
解析：
本题选A。

{03}Zhouqu County, Gansu Province is seeing improvements in life after the serious mudslides, ____ life is still far from normal.
A.though
B.because
C.unless
D.lest
解析：
本题选A。