Ответ:
1. We can not buy fish.
2. You can add sugar to your coffee.
3. I can eat cake.
4. We can not eat meat.
5. She can add salt.
6. I can throw an apple!
7. I can not add rice because we do not have it!
8. You can buy ice cream.
9. You can bring the potatoes.
10. I can bring tomatoes.
На мой взгляд, это самые простые предложения, которые я мог придумать.