Present perfect

1. Jhansi is exercising because she wants to lose weight but she not    a single kilo yet. (lose)

2. I earnedhave earned much last year, but I have earnedearned a lot this year. (earn)

3. Look, my new house is almost finished.
It's so big! How long have you workeddid you work on it since you started (work)?

4. Surya is not here. He to the shops. (go)

5. We (know) each other for five years.