问题补充:
—Cathy, did you attend the lecture given by Mr Black last night?
—No. I a report at the office.
A. was writing
B. wrote
C. had written
D. have been writing
答案:
(答案→)A. was writing
B. wrote
C. had written
D. have been writing
解析:考查时态:句意:--Cathy,你参加昨晚布莱克先生做的讲座的了吗?--没有,我在办公室写报告。根据句意,Cathy在办公室写报告的时间就是昨晚布莱克先生做讲座的时候,所以用过去进行时,选A。