2019年mpa考试英语真题——介词和介词短语1792

{01}If there is any change about the time of the meeting, please inform us ________.
A.at present  
B.in the meanwhile
C.at times  
D.in advance
解析：
本题选D。

{02}_______ the beginning of 1999, the popularity of MP3 has increased greatly.
A.In
B.Since
C.To
D.At
解析：
本题选B。