there must be someone 【 】in the room 可以用speaking吗?talking不需要

there must be someone 【 】in the room 可以用speaking吗?talking不需要 there must be someone in the room _(be)there 选择题：-Oh,there is someone in the room. -___ must be my mother Oh,there's someone in the room.( )must be my brother A.He B. There is someone in the room.It must be my brother our,neighborhood,visiting,there,be,someone,homes,the,in,must 答得好+50分!1.----OH,there is someone in the room.----( ) must b Oh,there is someone in the room. the football must be()in the room Tom thought there must be someone ____(come) in the classroo there is someone in the room,who can it be?请问这句子的someone能换成s There must be someone without possibility in their hearts.