问题补充:
– I didn’t see you at the meeting yesterday.
– I an important report at that moment.
A. write
B. wrote
C. am writing
D. was writing
答案:
A. write
B. wrote
C. am writing
(答案→)D. was writing
解析:句意:昨天会上我没有见到你。——那时我正在写一个重要的报告。结合语境可知下文描述的是过去某时正在进行的动作,故用过去进行时态。选D。