１．I'd like to buy an English grammar. 我想买本英语语法书。
2.I wonder if you've got any books on computer science.
我想知道你们有计算机科学的书吗？
3.Any book on it will do. 任何这方面的书都行。
4.Do you happen to know who the author is? 你知道作者是谁吗？
5.Have you got any idea who the author is? 你知道作者的情况吗？
6.Those books are sold out out. 那些书已经卖完了。
7.Books of this kind are out of stock now. 这种书现在已经卖光了。
8.We're selling books on sale. 我们的书正在廉价出售。
