Question

【题目】 When we are having a class, we should __________ our attention ________our teachers. I know listening to the teachers carefully is the best way to study well.

A. pay, for B. focus, on C. leave, on

Answer 1

【答案】B

【解析】

试题分析：句意：当我们正在上课，我们应该认真听老师讲课。我知道听老师讲课是最好的学习方式。根据动词短语focus one’s attention on sth.表示留心做某事；根据题意故选B。