10. You should often s　　　 　the floor to keep it clean.

9. Most machines are made of m　　　 .

8. I've l　　　 　my pen and haven't found it yet.

7. Fish can't live w　　　 　water.

6. There are many beautiful flowers in the g　　　 .

5. There is a long b　　　 　over the river.

4. Please get me some hot water from the t　　　 .

3. Class Two won the b　　　 　match yesterday.

2. We work in the d　　　 　and sleep at night.

1. She received lots of p　　　 　on her birthday.