Инфинитив или герундий. Урок английского языка

1. We go swimto swimswimming every week.

2. He wanted buyto buybuying a new computer game.

3. I am crazy about kissto kisskissing.

4. John is fond of eatto eateating ice-cream.

5. We enjoy danceto dancedancing.

6. His jokes made us laughto laughlaughing.

7. I am looking forward to hearto hearhearing from you soon.

8. The job involves prepareto preparepreparing reports for the managements.

9. He refused betrayto betraybetraying his friends.

10. It was rather wicked threatento threatenthreatening her like that.