Question

【题目】—What were you doing when we were playing basketball yesterday afternoon?

—I ______ the classroom.

A. was cleaning B. cleaned C. will D. clean

Answer 1

【答案】A

【解析】

试题分析：句意：-昨天下午我们打篮球的时候你在做什么？-我在打扫教室。根据语境可知该用过去进行时，所以选A。