Mr.：For tomorrow, read pages 12 to 20. Then do exercises one through ten on page 21.

明天上课前，把十二至二十页看完。然后做第二十一页上的练习题一至十题。

M：Do we have to type out our homework?

我们的作业需要打出来吗?

Mr.：No. You only do that when you write reports.

不用。只有写报告时才需要。

M：Is there anything else?

还有别的事吗?

Mr.：For those of you who don't have a calculator, get one.

没有计算器的同学要准备一台。

M：We are allowed to use a calculator in class?

我们在课堂上可以使用计算器?

Mr.：Yes. By the way, review today's notes this evening. We may have a small quiz tomorrow.

是的。哦，对了，晚上复习一下今天的笔记。明天我们也许会小考。