我们经常在晚餐时讨论当天的新闻。

We often ___discuss the day's news during dinner.

老师在课堂上讨论了环境保护的重要性。

The teacher ___discusses the importance of environmental protection in class.

我们需要讨论一下下周的会议安排。

We need to ___discuss the schedule for next week's meeting.