是This is a music room.还是This is music room

this room is your music ）连词成句 Is this the music room?(作否定回答) This's a music room 改错的 This is a room This is a music room.（对画线部分提问） 怎么写? 是music room还是music class啊 this is a living room 连词成句over,some,books.are,there(.)the,this,music,is,room(.)the “Whose room is this? This is（）room this is( )room. this is a piece of beautiful music ( )