2019年mpa考试英语真题——虚拟语气70

{01}Isn"t it about time you _____ to do morning exercises?
[      ]
A. have begun　
B. begin
C. had begun
D. began　
解析：
本题选D。

{02}It is required that under no circumstances ______ betray ourselves even if there are temptations
like money or beauty.  
A.we will        
B.should we      
C.we          
D.we shall
解析：
本题选B。