— Do you often clean your classroom? 

How often do you clean your classroom?什么意思 do you clean your classroom every day(改被动语态 —Do you often exercise, Jason?      Do you often clean your room?改为被动语态 Do you often spend half an hour _____（clean)the classroom af Do you often clean your room?改被动 Is your room often cleaned Did you clean your classroom yesterday? how do you clean the classroom 英语阅读题,     Do you often have a cold 英语作文Hown do your clean your classroom Our classroom must ______ clean eve 英语时态将下列句子改为被动语态Do you clean your classroom every day?My pare