4. He read a _________ on rice farming from the geography book.

3. _________ is the long dimension of any object.

2. Mark Twain was once a _________ pilot on the Mississippi.

1. The old man is a highly _________ traveller.

5. make sure 　 　6. At first 　 　　　　7. takes up 　　　　　　　8. be compared with

8. Liu Xiang can ____________ the world’s best sports stars.

Unit 2

7. As a sportsman, the daily training ____________ a lot of his time.

6. ____________, nobody knew Sam was back. When he suddenly appeared, everyone was surprised.

5. “Don’t be sad. Work hard and ____________ you get better grades next time,” the teacher said to Mary.　

4. If you really want to be a successful musician, just ____________ it!