2019年mpa考试英语真题——介词和介词短语176

{01}The clever boy made a hole in the wall, ________ he could see what was happening inside the house．
A.in which
B.through which
C.for whom
D.on which
解析：由句意知“通过洞口”，要用介词“through”．
本题选B。
{02}He is a Lei Feng in our class and we always ________ him for help every time we get into trouble．
A.devote to
B.refer to
C.turn to
D.contribute to
解析：
本题选C。