1. Stand up, please. 请站起来。
2. Sit down, please. 请坐下。
3. I am sorry. I am late. May I come in? 对不起，我迟到了，我可以进来吗?
4. Come in, please. 请进。
5. Open your books, please. 请打开书本。
6. Close your books, please. 请把书合上。
7. Do you understand? 你明白了吗?
8. Yes, I see. 是的，我明白了。
9. No, I don't quite understand. 不，我不大明白。
10. Listen to me and then repeat. 听我读，然后重复一遍。
11. Look at the blackboard, please. 请看黑板。
12. Read after me, please. 请跟我读。
13. This is Lesson Two. 这是第二课。
14. It's time to begin. 是开始的时候了。
15. Class is over. 下课。
