2019年mpa考试英语真题——非谓语动词1068

{01}The money collected should be made good use ________ the people in Taiwan who suffered a lot in the earthquake.
A.of helping
B.to help
C.to helping
D.of to help
解析：
本题选D。

{02}_____ how mirrors produce image, we need to know what light does.   
A.Understanding  
B.Understood  
C.To understand    
D.Having understood
解析：
本题选C。