Question

【题目】---- Who ______ the room?

----My brother______.

A. clean; is B. clean; does

C. cleans; is D. cleans; does

Answer 1

【答案】D

【解析】句意：-谁打扫房间？-我哥哥打扫。clean 打扫，是一个动词；is 是；does是助动词。第一个空是特殊疑问句，疑问词是who，故谓语动词用单数形式；第二个空用does这个助动词，代替上句话中提到的cleans the room。故应选D。