1. Lan (be) my sister.

2. They (be) my cousins.

3. I (not be) good at Math.

4. (be) you a teacher?

5. (be) he a good student?

6. (be) it a pen?

7. My friends (be not) friendly.

8. Nam and Lan (be) friends.

9. It (not be) a table.

10. We (be) students of Luc Nam High School.

11. How old (be) you?

12. How old (be) she?

13. Who (be) they?

14. This (be) an old novel's Tao Dinh.

15. (be) you in class A3?

16. There (be) many flowers in my garden.

17. There (be not) many flowers in my garden.

18. Winter (be) cold.

19. What time (be) it?

20. There (be) five members in her family.

1. Chị gái tôi 28 tuổi.

2. Ngôi nhà của tôi khá rộng và rất mát mẻ.

3. Mẹ cô ấy cao và mảnh khảnh.

4. Rau thì rẻ tiền nhưng thịt thì vẫn đắt.

5. Mùa xuân ấm áp.

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