Present perfect simple vs past simple

1. Present perfect simple and past
Verification of knowledge
Choose the correct answer. 2 points for each sentence.
1. John is not at home now. He (go)shopping.
2. We first met in 2010. So we (know) each other for 9 years.
3. My mum (grow) in Los Angeles, but moved to San Francisco when she was 15.
4. I (draw) 10 pictures in the last three months.
5. The man sitting next to me seems very nervous. He probably (not fly) before.
6. Adam (lend) me a book. I must give it back next week.
7. When did you start the course? I (begin) two months ago.
8. John lost his key last week, but he was lucky and (find) it yesterday.
9. I am so sorry. Will you forgive me? I (forgive) already.
10. (hear) from Alison lately?