1. The cat sat on the mat. (on)
2. I walked through the park. (through)
3. She went to the store. (to)
4. He hid under the bed. (under)
5. The book is in the bag. (in)
6. I ran around the block. (around)
7. We arrived at the airport. (at)
8. The dog jumped over the fence. (over)
9. She looked for her keys. (for)
10. They talked about the movie. (about)