Question

【题目】The students ____their classroom every afternoon.

A. are cleaning B. clean C. cleans

Answer 1

【答案】B

【解析】

试题分析：句意：每天下午学生们打扫他们的教室。根据时间状语every afternoon可知此处用现在进行时，主语是the students故谓语用复数形式，故选B。