2019年mpa考试英语真题——介词和介词短语1724

{01}________the help of the teacher, the student who wasn"t good at math________the difficult problem
quickly.
A.Under; worked out  
B.With; worked on
C.Under solved  
D.With; solved
解析：
本题选D。

{02}If the time for the meeting is changed, please inform me ______________.
A.by chance      
B.on purpose      
C.in advance        
D.in general
解析：
本题选C。