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.