Exercise 1. Underline the most suitable tense form in each sentence. (Gạch dưới dạng thì đúng nhất trong mỗi câu.)
Gợi ý:
| 1. Have you seen | 2. has written | 3. has asked |
| 4. Did you give – saw | 5. didn’t listen | 6. Have you two met |
| 7. Did you meet |
Exercise 2. Decide which answer (A, B or C) best fits each space. (Chọn đáp án (A, B hoặc C) thích hợp nhất cho mỗi chỗ trống.)
| 1. B | 2. C | 3. A | 4. A | 5. B |
| 6. B | 7. B | 8. C | 9. B | 10. C |
| 11. B | 12. C | 13. C | 14. A | 15. B |