daniel's bag must be in the room , ?

daniel's bag must be in the room , ? the football must be()in the room 反疑问句 There must be something in the bag _____?. Oh,there's someone in the room.( )must be my brother A.He B. there must be someone in the room _(be)there The light in the room must be turned off it must be in the living room.( 改为反问疑问句 )it must be in the l They must be in the reading-room,_______ _______[ The book must be s____ in your room. She must be in the room.的意思 we must (be)quiet in the reading room. he must be in the room ,because the light in the room is