Give the correct form of these verbs

Give the correct form of these verbs: (2P)
1. I (know) him since 2000.
2. You (meet) her yesterday?
3. She doesn’t enjoy (draw).
4. He used to (smoke) when he was a 
student.
5. They (live) in Bac Giang for 4 
years.
6. He enjoys (chat) with his friends.
7. I (know) her for 15 years.
8. They used (work) very hard