we should keep ()air fresh in the bedroom all ()time.A:the t

We should keep our rooms clean and the air fresh all the tim you should (keep the air clean and fresh) in your room. keep the window ____ to let the fresh air in . A.close B.clo would you please keep the window___?let the fresh air in.A o We can't work all the time if we are going to keep healthy a in orde to save your time,you should keep a list of all the The fresh air in the morning made him feel glad.为什么fresh前面加t we should keep the air ___ ___ ___ (清新) We should keep ( ) in the reading-room.A: Please keep the windows (),and let the fresh air in.(open) we should keep( )in the reading-room keep the door open to let fresh air in.分析句子结构