2019年mpa考试英语真题——动词的时态411

{01}— Why did the police ______the crowd?
— Because the president" s car ______in the street.
A.break down; broke down
B.break up ; broke up
C.break down ; broke up
D.break up; broke down
解析：
本题选D。

{02}— Do you smoke?
— No, I don"t. It is two years since I ______.
A.smoked
B.have smoked
C.had smoked
D.don"t smoke
解析：
本题选A。

{03}Do you know when the Great Wall _______?
A.was come into being
B.came into being
C.had come into being
D.had been come into being
解析：
本题选B。