★实用短语：

exchange A for B——用A换B

exchange sth with sb——和某人交换某物

★实战演练：

I'll exchange my pen for your book if you like.

如果你喜欢的话，我可以拿我的笔换你的书。

Could you please exchange this ten-dollar bill for two fives?

可不可以请你把这张10块钱换成两个5块的呢？

Where can I exchange my dollars for pounds?

我在哪里可以把美元兑换成英镑？

I often exchange information with him.

我经常和他交换信息。

Would you like to exchange gifts with me?

你愿不愿意和我交换礼物啊？

Peter exchanged books with George.

彼得与乔治交换了书籍。