Across
- 5. English book, maths book,etc
- 8. ｂｅ known ｂｙ more ａｎｄ more people
- 9. your friend give sth to you and you need to return.
- 10. you read it and then you know how to use
Down
- 1. make bad things good
- 2. e-book
- 3. www.baidu.com
- 4. you don't have sth but your friend have, then you can get it from your friend.
- 5. buy and sell
- 6. inventions,machines
- 7. one of 4 greatest inventions in China