Oh,there is someone in the room.

Oh,there is someone in the room. 选择题：-Oh,there is someone in the room. -___ must be my mother 答得好+50分!1.----OH,there is someone in the room.----( ) must b there is someone in the room 改否定句 Oh,there's someone in the room.( )must be my brother A.He B. Is＿（someone）in the room? there must be someone in the room _(be)there Is there _____ in the room now,Lucy?A.other anyone B.someone 句子“listen!there is someone singing in the next room"时态是现在进行时 There is someone in the room.It must be my brother there is someone in the room,who can it be?请问这句子的someone能换成s Listen!There _____ someone singing in the next room .