问题补充:
I soon found that the work I was doing had already been done, , I was wasting my time.
A. in a word
B. in other words
C. so that
D. above all
答案:
A. in a word
(答案→)B. in other words
C. so that
D. above all
解析:考查固定搭配。A一句话;B换句话说;C以至于;D首先,最重要的是;句意:我很快就发现我正在做的工作已经被做了,换句话说,我是在浪费时间。故B正确。