Question

【题目】Paul _______ articles at 10:00 yesterday morning.

A. is writing B. writes C. was writing D. will write

Answer 1

【答案】C

【解析】句意：保罗昨天上午10点在写文章。根据过去时间点at 10:00 yesterday morning可知此句时态应是过去进行时，其构成：were /was + doing sth.，本句主语Paul三单，应用was，故选C。