the room 308还是the 308 room

across the room 还是throngh the room? on the room,还是at the room 是clean the room 还是clean room? tidy up the room 还是tidy the room up? 是clean the room up,还是clean up the room look outside of the room 还是out of the room Only Lonely Room 还是Only the Lonely Room 那个正确? THE WAITING ROOM怎么样 in the computer room? THE PRESS ROOM怎么样 the saltwater room decorate the room