1. She hasn't come back to her hometown for 4 years.
2. He has worked as a bank clerk for 3 months.
3. We haven't flown to Singapore for 5 years.
4. I haven't had my hair cut since November.
5. We haven't called each other for 5 months.
6. We haven't met for a long time.
7. How long have you had it?
8. I haven't had a delicious meal before.
9. The last time I saw him was 8 days ago.
10. It is 3 days since I took a bath.