1. She broke a plate while cooking dinner.

2. They had a 10-minute break between classes.

3. The teacher asked the students to break into small groups for the discussion.

4. The ball broke when it hit the wall.

5. He accidentally broke his glasses.

这些例句涵盖了break作为动词的常见用法，包括打破、打碎、中断等，适合七年级学生的语言水平。