Which phrase best replaces 'break up' in the sentence: 'The teacher decided to break up the disruptive group'?
答案解析
**Core Concept:** Vocabulary (contextual collocation).
**Key Analysis:**
- **A. separate** fits the context of splitting a group.
- **B. destroy** implies physical damage (too extreme).
- **C. cancel** refers to events, not groups.
- **D. abandon** means leaving, not splitting.
**Common Mistake:** Misinterpreting intensity of verbs.
正确答案：A