19. Hoa doesn't go to the movies.
20. I haven't seen him since 1985.
21. How long have you learnt English?
1. Could you tell me where the nearest post office?
2. Hanh is studying very hard in order not to fail in the exam.
3. He climbed the tree so as to get a better view.
4. Your bike will be repaired tomorrrow afternoon.
5. I was very delighted to pass the final exams.
6. This question is too difficult for us to understand.
7. Would you mind turning off the television?