you should (keep the air clean and fresh) in your room.

you should (keep the air clean and fresh) in your room. We should keep our rooms clean and the air fresh all the tim Putting a p—— in the room can make the air fresh and clean S your room is very ________.you should keep it clean. 这句话的英文回答In the air fresh or clean in your city? We should keep the nice room clean you'd better ___(keep) the room nice and clean. The air is fresh and clean in my village.此句式对吗? IS the air fresh or clean go your city? 把下列句子变被动语态11.you should keep the room clean and tidy.12.He i Please keep the windows (),and let the fresh air in.(open) We must keep the air in the room clean.(改为被动语态）