----- Nội dung ảnh ----- Bài 21. Change the verb into the correct form: 1. Christopher (drive) __________ a car. 2. We (have) __________ some posters. 3. (you watch) __________ movies? 4. They (not work) __________ for us. 5. I (love) __________ to sing. 6. She (have) __________ many foreign friends. 7. Alexis and her husband always (come) __________ for the summer. 8. (he sing) __________ well? 9. Jamie (not remember) __________ me. 10. Laura (be) __________ a beautiful girl. 11. (I not eat) __________ pasta. 12. Cats (like) __________ to sleep. 13. You (be) __________ a smart girl. 14. She (wash) __________ the dishes every evening. 15. (I be) __________ ready? 16. I (be) __________ ready.