改错：1.In order to keeping our classroom clean,we sweep the fl

改错：1.In order to keeping our classroom clean,we sweep the fl we clean our classroom every We clean our classroom in the afternoon(改为现在进行时） We（）（）our c We begin to clean our classroom at 4:30 pm. We re going to clean our classroom.改为否定句 clean,classroom,are,we,going,to,our,school,afterl,. We use water to clean our classroom对clean out classroom 的划线题 We must keep our classroom clean The sentence stucture here 英语：keep用法1.We must keep the classroom .A.clean B.to clean C. We keep the windows ( ) in our classroom. We have to clean the classroom(对clean the classroom提问) we clean the classroom in the afternoom 改为被动语态