Here are the sentences completed with "some" or "a lot of/lots of":

1. I have to go to the market now. There isn't any **food** for our dinner.
2. Would you like **some** sugar for your coffee?
3. There are **lots of** trees in our village, so the air here is very fresh.
4. I'm very busy, I have **a lot of** things to do today.
5. We didn't have **any** beef left, so we had fish for lunch.
6. We are running out of gasoline. Let's stop and get **some** at the gas station.
7. There are **lots of** cars on the street, so they cause traffic jams every day.
8. People use **a lot of** solar panels to replace non-renewable sources of energy.