余　晨

May I come in? 我能進來嗎?

Come in，please. 請進。

Sit down，please. 請坐。

Its time for class. 上課時間到了。

Is everybody here? 都到齊了嗎?

Ill call the roll before class. 課前我要點名。

Here! 到!

Open your books and turn to page 20. 打開書，翻到第20頁。

Who is on duty today? 今天誰值日?

Has everybody got a sheet? 每個人都拿到材料了嗎?

Any different opinion? 有不同意見嗎?

Are you with me? 你們能跟上我講的嗎?

Have I made myself clear? 我講明白了嗎?

Could you say it again? 你能再說一遍嗎?

Any questions? 有什么問題嗎?

Put up your hand before asking a question. 提問之前請先舉手。

Thats all for today. 今天就講到這里。

Please turn in your paper before leaving. 請在離開前將論文交上。

You must hand in your homework on time. 你們必須按時交作業(yè)。