A:北伐战争胜利进军
B:***开始独立领导武装斗争
C:工农武装割据思想基本形成
D:***确立了在党中央的领导地位
Unless ______ to speak, you should remain silent at the conference.
下列定理中逆定理不存在的是( )
--- ______, or we'll be late for the meeting.
--- It's only half past one by my watch. We have enough time left.