1. I have lived in this city _________ five years.

2. She has worked here _________ 2009.

3. They have been best friends _________ a long time.

4. We have known each other _________ we were children.

5. He has studied English _________ six months.

6. The shop has been open _________ November.

7. My parents have been married _________ more than fifteen years.

8. I have not seen a movie _________ last year.

9. She has been sick _________ a week.

10. We have been working on the project _________ this morning.