1. Good morning/afternoon/evening, class! - 早上/下午/晚上好，同学们！

2. Let's begin/start our lesson. - 让我们开始上课。

3. Please turn to page [number]. - 请翻到第[number]页。

4. Pay attention, please. - 请注意听讲。

5. Repeat after me. - 跟我重复。

6. Can you hear/see me? - 你们能听/看清楚我吗？7. Who would like to answer this question? - 谁想回答这个问题？8. Raise your hand if you know the answer. - 如果你知道答案，请举手。9. That's correctight. - 这是正确的。10. You're close, but not quite. - 你差一点，但还不够。