2019年mpa考试英语真题——介词和介词短语1095

{01}The police tried _____ to break up the protest crowds.
A.in a vain
B.in vain
C.in the vain
D.for vain
解析：
本题选B。

{02}The children ran away _____ all directions the moment they caught sight of their teacher
coming near.
A.in
B.to
C.from
D.off
解析：
本题选A。