Question

【题目】They were made ________ the classroom after class.

A. to clean B. clean C. to cleaned D. cleaning

Answer 1

【答案】A

【解析】

试题分析：句意：他们被叫下课后清扫教室。此题考查主动语态中make sb do sth变成被动语态后，要把to还原回来。根据句意，应选A。