They must be there now,aren't they?这里为什么不是mustn't they而是aren't they?

They must be Chinese They must be there now,aren't they?这里为什么不是mustn't they而是aren't they? will be/must be类似助动词或情态动词加be,例如：they will be there,这是主系表的结构吗? They thought that there must be something wrong with their TV set How_______they be there already?They only left ten minutes agoA.will B.canC.shouldD.must There must be something wrong. there must be someone in the room _(be)there They must be careful的一般疑问句 They must be playing反意疑问句 there must be something wrong to it It must be there,---?反意疑问句 there must be 有被动语态吗 You must be there on time. There Must Be A Reason 歌词 there must be a use for my there must be some miscommunication中文意思 Consuming Fire (There Must Be More) 歌词 There must be somthing wrong with you