问题详情：
根据句子内容选择正确的词组填空，需要时注意形式变化，有一个是多余的。
in history; teach; compare their kids with; if; argue with； while |
1. Teachers always complain about __________________ tired kids in the classroom.
2. Parents are always ____________________________ other children.
3. People often remember the news of important events _______________________.
4. I don’t want to _________________________ my best friend.
5. _________________ I was watching TV, my mother was cooking supper.
【回答】
1. teaching 2. comparing their kids with 3. in history 4. argue with 5. While
知识点：选词填空
题型：完成句子
