2019年mpacc考试英语真题——介词和介词短语1411

{01}________time went on, the people in the area came to realize how seriously the environment had
been polluted.
A.As  
B.With
C.When  
D.While
解析：
本题选A。

{02}When we got to the airport,John had been ____________ the plane.
A.abroad
B.above
C.aboard
D.absorb 
解析：
本题选C。