1. Will the letters be sent first class?

2. I'm not sure if pizza is eaten in China.

3. Someone told me that cars isn't made in the UK anymore.

4. Are the animals usually fed three times a day?

5. Mr Jones is ill, so we will not be given a geography test today.

6. Was she taken to hospital in an ambulance?

Trên là A, dưới là B

1. B

2. B

3. A

4. A

5. B

6. B

7. B

8. A

9. A

10. B

11. A

12. B

13. B

mustn't

- must + V: phải làm gì (mang tính bắt buộc)

- mustn't + V: cấm làm gì, buộc người khác không được làm gì

1. B

2. A

3. C

4. B

5. A

6. C

1. F

2. T

3. F

4. F

5. T

1. T

2. T

3. F

4. T

5. F

6. F

7. T

8. F

1. can have => could have

2. When => While

3. hardly => hard

4. are practicing => is practising

5. are all so => are all so

6. chemical => chemistry

7. didn't => not to

8. all => both

6. A

7. A

8. D

9. B

10. A

11. C

12. C

13. D

14. C

15. A

6. He doesn't eat lots of sweets because they are bad for his teeth.

7. Were you sick yesterday?

8. Hoa was absent from class yesterday morning because she was ill.