Giúp mình với: 9. They keep many ancient things in museums. Many ancient things ...... 10. I do all my homework on my computer. All my homework...... 11. People make many famous films in Hollywood. Many famous films ........ 12. Ms. Linh teaches our English lessons. Our English lessons ........ 13. My father drives all of us to school every day. All of us ........ 14. A lot of people use cell phones. Cell phones ........ 15. Hundreds of tourists visit my town every year. My town .........