2019年mpacc考试英语真题——介词和介词短语1573

{0}Though a typhoon is on the way, people are still looking forward ________ the outdoor concert by the
pop singer.
A.to canceling  
B.not to canceling
C.not to cancel  
D.to not canceling
解析：
本题选D。

{02}David rang           while you were out.   
A.in    
B.up    
C.for    
D.off
解析：
本题选B。