He felt he needed to focus more ______his study.

分类: 英语(高升专)(c0003) 发布时间: 2024-11-05 20:04 浏览量: 0
He felt he needed to focus more ______his study.
A、on
B、in
C、over
D、at
【正确答案】:A
【题目解析】:focus on 固定搭配,集中