2019年mba考试英语模拟题——连词831

{01}I had just stepped out of the bathroom and was busy drying myself with a towel ________ I heard
the steps.
A.while  
B.when
C.since  
D.after
解析：
本题选B。

{02}The cost of living in Glasgow is among the lowest in Britain, ______ the quality of life is probably one
of the highest.
A.since  
B.when  
C.as  
D.while
解析：
本题选D。