1. Filling in (preposition) 1. We are fond ... swimming.
2. Are you sure ... your understanding it?
3. My parents are pleased
my presenting the project at school.
4. My brother is surprised
our winning the game.
collecting coins from different
5. My best friend Sam is interested
countries of the world.
6. I am looking forward
hearing from you soon
7. Are you afraid ... studying bad.