2019年mpacc考试英语真题——介词和介词短语1430

{01}In the last few years, we have made great progress________telecommunication.
[      ]
A.in area of  
B.in field of
C.in the area of  
D.on the field of
解析：
本题选C。

{02}I"m sorry to hurt your heart, but I"m not _____.
A.on purpose  
B.by chance
C.on my own  
D.on occasion
解析：
本题选A。