1.  She bought a book and began walking on the tough way.

2.  They buy many books with a good many lists of test words.

3.  In a word, to expand vocabulary of English, you have better buy a word book and learn words from A to Z one by one, which is definitely a great boring challenge, but also an enormous benefit.

4.  Now, with iPhone we can compare the price on the internet when we want to buy a book.

5.  If we study online, we do not have to buy books, which sometimes cost us a large sum of money.

6.  love does not arrive fully formed, as if it is something for college students to pick up when they pay their tuition or buy their books.

7.  We can call on people to buy more books about science and encourage the TV programme to display more videos linked to science to the public.

8.  We don't need to buy too many books but can get better practice.

9.  Sometimes you need to buy some books , so that you can consolidate your knowledge and lay a solid foundation.

10.  I finally bought the book and left immediately.