Mary and Tom's room 是2个人一个房间吗?

this is( )room.A.Tom and Mary's B.Tom's and Mary's C.Tom's and Mary D.Tom and Mary Tom's and Mary's room后面的room要不要加S,Why? Mary and Tom's room 是2个人一个房间吗? Tom's and Mary's room后面的room要不要加S,Why?他们是各自的房间，Room要不要加S She is Mary and Tom’s sister.这句话对吗?A．Mary’s and Tom B．Mary’s and Tom’sC．Mary and Tom’s 是Tom’s and Sam’s room 还是Tom and Sam’s room? Mary's room is (big and clean.）(划线部分提问）---------is Mary's room-----------? _____school bags are on the desk .A.Mary and Tom's B.Mary's and Tom's C.Mary's and Tom this is Mary and Elsa's room.同义句 Mary-------Elsa--------a room. (Mary and Tom)math teacher 's 应该加在哪?如题是Mary‘s and Tom's math teacher还是Mary and tom' math teacher tom and mary 歌词 This room is Mike's and Tom's Mary's than room is clean Tom's连词成句? Mary's room is big and clean.划线提问_____is Mary's room______? Tom and Mary’s father 这是Mary的父亲,还是Tom和MarTom and Mary’s father 这是Mary的父亲,还是Tom和Mary这两个人的父亲. Tom and Mary's mother 可以表示为（Tom与Mary是兄妹）吗?Tom and Mary's mother 可以表示为（Tom与Mary是兄妹）吗? Mary’s going swimming and（ ）so is Tomso has Tomso Tom isso Tom has While Tom and mary we