2019年mpa考试英语真题——连词384

{01}It has been ten years_____ her cousin joined the army.    
A.before    
B.until        
C.when      
D.since
解析：
本题选D。

{02}Good friends __________ we are, I still find her difficult to understand at times.  
A.as
B.because  
C.though
D.unless
解析：
本题选A。