新当选的总统将在下个月正式就职。

The newly elected ___president will take office next month.

公司新任总裁将在下周正式就职。

The new ___president of the company will officially take office next week.

作为委员会的主席，他负责主持会议并制定议程。

As ___president of the committee, he was responsible for chairing meetings and setting the agenda.