2019年mpacc考试英语真题——介词和介词短语1582

{01}There is a limit________ the amount of pain we can bear.
A.for  
B.with
C.to  
D.at
解析：
本题选C。

{02}I feel that one of main duties            a teacher is to help the students to become better learners.      
A.for                          
B.by      
C.as                          
D.with
解析：
本题选C。

{03}She called          to her father for help.
A.up    
B.out    
C.away    
D.on

解析：
本题选B。