The room is in a terrible mess；it（ ）have been cleaned for a

The room is in a terrible mess；it（ ）have been cleaned for a The room is in a terrible mess,it ___ cleane; the room is in the terrible mess ,it can not have been clean The room is still in a mess;it ___ thoroughly cleaned. the room is in a terrible mess ________（一定没打扫过） The room ___ a stale air.It must have been vacant for a long His room is always in a mess,isn't it? Yes,it's ---. It's a little ()in the room.Reading in the room is bad for y Your room is really in a mess.It needs to clean还是to be clean You ______ things about .Look,what a mess it is in your room My room is a mess.It needs _____. The room is （ ）for us to have a meeting in.