Fill in the correct preposition

1. He is very experienced [ ] using different computer programmes.

2. Tim was dissatisfied [ ] the service in the restaurant so he complained to the manager.

3. She is an expert [ ] Russian history.

4. Her failure [ ] arrive on time for work led to her being fired.

5. Venice is famous [ ] its carnival which takes place once a year.

6. Karen is very fond [ ] dogs.

7. She forgave him [ ] offending her.

8. She is extremely frightened [ ] spiders.

9. David is very keen [ ] playing golf at the weekends.

10. Crash diets are harmful [ ] your health.