题目

Tom always makes his sister the room. But today he was made the room by his mother.A. clean; clean B. clean; to clean C. to clean; clean D. to clean; to clean 答案：【答案】B【解析】句意：汤姆总是让他妹妹打扫房间，但是今天他妈妈让他打扫房间。根据make在主动语态中，后跟动词原形make sb do sth让某人做某事；在被动语态中，动词原形前要加上to。故选B。6．-How can we keep healthy？-I think we should exercise _______________．（　　）A．ordinarilyB．especiallyC．regularlyD．typically