在英语无声上课时，常用的表达有：
1. Good morning/afternoon/evening, everyone!
2. Let's begin/start the class, shall we?
3. Please take out your textbooks/notebooks/pens.
4. Please turn to page XX.
5. Today, we will be discussing/talking about...
6. Does anyone have any questions?
7. Can you hear me clearly?
8. Please repeat after me.
9. Let's practice/pronounce this word/sentence together.
10. I will play an audio clip for you to listen to.
11. Please work in pairs/groups.
12. Time's up! Let's move on to the next activity.
13. Well done/good job, everyone!
14. Any final questions before we wrap up the class?
15. Thank you for your participation/attention. See you next time!
