"What room are you in again?
What are you __ in the room
你在哪个房间 what room are you in ?还是 which room are you in ?
Are you in the room
what room are there in a
what are you in?
What are you in
What class are you in?
what country are you in
what are you interested in
What class are you in
what colour are you in
what are you majoring in?