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D. THỰC HÀNH THÊM

1. Use "am - is - are - am not - isn't - aren't - have - has" to fill in the suitable blanks.
1. I ___ a student. I have lots of friends.
2. My brother ___ very young. He is only one year old. He doesn't ___ any hair.
3. The man ___ thirty-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.