Question

【题目】Eddie ______ the classroom with his classmates at that time yesterday.

A. was cleaning B. cleaned C. has cleaned D. is cleaning

Answer 1

【答案】A

【解析】句意：昨天这个时候Eddie 正在和他的同学打扫卫生。根据时间状语at that time yesterday可知，这里叙述的是过去某个时间点正在进行的动作应该用过去进行时。故选A。