1. Put the verbs into the correct tense:
1. How long (you know) Anna?
2. She (stay) with our family for 20 years.
3. After her marriage we (not see) her for a long time.
4. I (visit) London a few months ago.
5. We (be) at Victoria in ten minutes.
6. It (be) ten years since I (leave) school.
7. Olga (finish) that exercise 5 minutes ago.
8. How long (you stay) in English.