Read the sentences and complete them with the correct prepositions

• at
• of
• along
• on
• in
• about
• at
• of
• to
• off

1. He was very proud [ ] his son's results.
2. I am keen [ ] doing extreme sports.
3. Sue is fond [ ] watching detectives.
4. My dad is terrible [ ] cooking.
5. I was always interested [ ] photography.
6. Tom is brilliant [ ] Maths.
7. They are crazy [ ] reading science fiction.
8. I'm going there and you can come [ ].
9. It's late! I must be [ ][ ] work!