2019年mpacc考试英语真题——介词和介词短语1424

{01}Ms Li is strict________her work；however，she is not so strict________her students.
A.with；in  
B.about；in
C.in；with  
D.in；about
解析：
本题选C。

{02}It took a great deal of courage to admit that all his efforts had been________.
A.in danger        
B.in turn
C.in return  
D.in vain
解析：
本题选D。