Complete each sentence with the correct preposition. Be careful: some gaps may not need a preposition. If no preposition is needed, leave the gap empty.
1. For years, I asked him help.
2. He looked a car before the wedding.
3. She said he'd left the airport, so he must be waiting there now.
4. She spent her whole life caring others.
5. We discussed this during a break.
6. I applied Caltech and they turned me down.
7. You read the crimes they committed.
8. Diana looked us when we first started.
9. When it got dark, we left our position.
10. They don't care local laws.