Read these sentences and choose the correct variant.
1. Did you have ______ friends coming to your party?
2. We don't have _____ time to get to the airport.
3. I could have lunch with you today. I don't have ______ to do.
4. ______ people thought he would win the marathon. So, it was a big surprise.
5. Could you, please, lend me ______ dollars to get home.