preempt|preempted|preempting

政府提前发布了预警，以防止恐慌性抢购的发生。

The government issued an early warning to ___preempt panic buying.

紧急会议打断了我们原定的午餐计划。

The urgent meeting ___preempted our scheduled lunch plans.

紧急会议优先占用了我们原定的午餐时间。

The urgent meeting ended up ___preempting our scheduled lunch break.