2019年mpa考试英语真题——介词和介词短语1733

{01}My pen friend and I keep in touch ________ sending e-mails often.
A.with      
B.by
C.on          
D.of
解析：
本题选B。

{02}Mother was worried because little Tom was ill, especially    his father HHhhwas away in Canada. 
 [      ]
A.as          
B.that            
C.during      
D.if
解析：
本题选A。