用正确的单词填空。

1. The people ______ travel all over the world think China is a beautiful country.

2. I can't say anything ______ moves us deeply.

3. Paper is made ______ wood.

4. The trees can stop the flood from ______ (wash) the earth away.

5. By the end of last term, we ______ (study) three thousand words.

6. You must practise ______ (play) the piano every day.

7. Edison was a great American ______ (invent).

8. He hasn't enough ______ (经验) for the job.

9. It's good to tell ______ (true).

10. You'd better ______ (not go) to the supermarket.