2019年mpa考试英语真题——介词和介词短语91

{01}Anne couldn’t concentrate ________ what she was doing while her family were watching TV．
A.to
B.on
C.for
D.in
解析：concentrate与介词on形成固定搭配。句意：全家人都在看电视，安妮不能集中注意力做她正在做的事情。
本题选B。
{02}Anne couldn’t concentrate ________ what she was doing while her family were watching TV．
A.to
B.on
C.for
D.in
解析：concentrate与介词on形成固定搭配。句意：全家人都在看电视，安妮不能集中注意力做她正在做的事情。
本题选B。