Question

【题目】Please ________ the room, Betty.

A. clean B. to clean

C. cleans D. cleaning

Answer 1

【答案】A

【解析】句意：请打扫一下房间，Betty。clean打扫，动词原形；to clean动词不定式；cleans第三人称单数形式；cleaning动名词。这是一个祈使句，应用动词原形，故应选A。