填空题

A--conference agenda B--the daily agenda of a conference
C--arrange a meeting D--hold a meeting
E--postpone a meeting F--preside a meeting
G--break off a meeting H--organize a meeting
I--preparatory meeting J--emergency meeting
K--joint conference L--private session
M--general session N--special session
O--group meeting P--round-table meeting
Q--academic conference R--official meeting
S--informal meeting T--summit meeting
首脑会议 ( )秘密会议