董事会决定召开会议以应对危机。

The board decided to ___call ___a ___meeting to address the crisis.

管理层应召开会议审议新政策。

Management should ___call ___a ___meeting to review the new policy.

鉴于近期的进展，有必要召开一次所有部门负责人的会议。

In light of recent developments, it's necessary to ___call ___a ___meeting of all department heads.