2019年mpa考试英语真题——副词80

{01}Today, we"ll discuss a number of cases___________beginners of English fail to use the language properly.
A.which  
B.as    
C.why  
D.where
解析：
本题选D。

{02}When he was 20,  he left school and went to Beijing,  ________he made great progress and became
an engineer.
[      ]
A.what  
B.which
C.where  
D.when
解析：
本题选C。