2019年mpa考试英语真题——固定短语64

{01}The children were told to keep _________ the grass．
A.of
B.off
C.away
D.from
解析：keep off意为“避开，勿触及”，keep off the grass含义是“勿踏草坪”。A项中of与keep不构成短语动词；C项中keep away应有from才能接宾语；D项keep from, keep不接名词，意为“不沾”“免于”，例如：keep from laughing，故C、D两项均被排除。
本题选B。
{02}A large number of people think the truth has been covered up ________．
A.by chance
B.by accident
C.on purpose
D.for the purpose
解析：
本题选C。