2019年mba考试英语模拟题——连词907

{01}The president was _____ a speech to senators _____ a group of armed young people burst into the hall   
A.giving; as  
B.making; when    
C.delivering; while  
D.speaking; when
解析：
本题选B。

{02}Make full use of your time ________ you can achieve what you desire.
A.so 
B.or
C.but  
D.and
解析：
本题选D。