D. FURTHER PRACTICE I. Use “am - is - are - am not - isn’t - aren’t - have – has” to fill in the suitable blanks. 1. I ________ a student. I ________ lots of friends. I ________ a popular person at school. 2. My brother ________ very young. He ________ only one year old. He doesn’t ________ any hair. 3. The man ________ young. He ________ sixty-seven. He ________ gray hair. 4. We ________ a new car. Our car ________ very old. It ________ black. 5. My mother ________ at home. She ________ at the dentist. 6. She ________ a problem. She ________ a toothache. 7. We ________ ready for the exam. We ________ afraid of it. 8. I ________ lots of clothes. I ________ lucky. 9. The children ________ at the park. They ________ at home. 10. My daughter ________ six years old. She ________ a teenager. 11. We ________ a beautiful garden. It ________ full of flowers. 12. My father ________ at home. Today ________ Monday and he ________ at work Hãy giúp emmm