We should clean ___ twice a day.a.teeth b.our teeth为什么不选择a

We should clean ___ twice a day.a.teeth b.our teeth为什么不选择a We should keep our classroom _______(clean). We should clean our h[ ]before meals We should keep the nice room clean We must ___ our ciassroom clean. We must ___(keep) the classroom clean. You should make your clothes ___.A.be clean B.to be clean C.clean Dcleaned we should be kind to animals .we should ___ ___animals 英语翻译We should learn to ___ ___ ___. we should keep the air ___ ___ ___ (清新) What should we do ____________(keep) our classroom clean We should keep our room clean 改被动语态 what should we do to keep water clean The first thing ( ) we should do isto clean the room. we should keep the water clean(改为一般疑问句） We should keep the water clean 的汉语意思是? we should help——(clean) the classroom The first thing ( ) we should do isto clean the room.