Anne couldn′t concentrate ______ whatshe was doing while her family were watching TV.

2023-08-08

A.to
B.on
C.for
D.in

参考答案:B

考查固定搭配。Concentrate on意为“集中注意力于,专心致志于”。句意为“她家人正在看电视,安妮不能集中注意力在自己正在做的事情上”。

相关推荐