3. It was our first lesson, 　　　the teacher didn’t know all our names.

2. It was hard work, 　　　they really enjoyed it.

1. You may do it yourself, 　　　ask someone to help you.

10. Water is a liquid and ice is a　 s　　　 　.

9. Agriculture is about　 g　　　 　plants for food.

8. Rubbish is the same as　 g　　　 　.

7. An　 i　　　 　is a place with water around it.

6. We all know that Dong Cunrui and Huang Jiguang are　 h　　　 .

5. A　 v　　　 　is smaller than a town. And a town is smaller than a city.

4. A　 s　　　 　is a part of ocean.