单项选择题

I’ve worked ______ four hours on this article, I’m completely ______.

A. in, concentrated
B. at, distorted
C. out, captured
D. for, distracted
<上一题 目录 下一题>
热门 试题

单项选择题
In the U.S., a President can be elected to office only ______.
A. once
B. twice
C. three times
D. four times
填空题
approximately
相关试题