2019年mpacc考试英语真题——介词和介词短语1433

{01}Let me congratulate ________ you ________ the birth of your daughter.
[      ]
A.to; for  
B./; on
C.on; for  
D./; for
解析：
本题选B。

{02}We tried our best to help them________the help they had done to us.
A.on the basis of  
B.in memory of
C.on condition that  
D.in return for
解析：
本题选D。