1. I worked _____ I was 16 years old.
2. I work _____ many years.
3. The girls lived in the city ______ they were 5 years old.
4. I have been working for the city ______ at least 15 years.
5. I have known the people next door _______ I was a baby.
6. The girls only live in the city ______ a short time.
7. How long can you stay ______?
8. I will be in a meeting _____ about 2 hours.