2019年mpa考试英语真题——动词的时态201

{01}The computers made by our company sell best, but several years ago no one could have imagined the
role in the markets that they ________.
A.were playing  
B.were to play
C.had played  
D.played
解析：
本题选B。

{02}The highest award was given to Anna, who _____ so hard on the project for years, and at last her efforts paid off.
A.has worked
B.worked
C.was working
D.had been working
解析：
本题选D。

{03}When Jack arrived, he learned Mary _____.
A.has left
B.is leaving
C.had left
D.left
解析：
本题选C。