用方框中所给词完成句子。 took part in, hungry, improve, population, describe, strict with, tidy, introduce, learn from, practice 1. The best way to ______ your English is to join an English club. 2. We should help each other and ______ each other. 3. The chemistry teacher was ______ all the students last term. 4. You could talk to Bob, and he might _____ you to the people. 5. More than 200 teams from all over China _____ this year's Odyssey. 6. You must _____ speaking English as much as you can. 7. The ______ of China is a serious problem. 8. You should do the cleaning every day and keep your room clean and _____. 9. All this talk on food is making me _____. 10. —Can you _____ him to me? —He has big eyes, a small nose and blond hair.