Choose the correct alternative: 1. Is there a/an orange in your lunch box? 2. There's some/any tea in the cupboard, I think. 3. Do you want a/some biscuit with your tea? 4. Don't give me some/any sugar, please! 5. Here's a/some milk for your coffee. 6. There's some/any cream in the fridge. 7. There aren't some/any tomatoes in this salad. 8. I want to make a/some porridge for my breakfast.

Correct alternatives:

1. Is there an orange in your lunch box? (Orange starts with a vowel sound)
2. There's some tea in the cupboard, I think. (Used in affirmative sentences for uncountable nouns)
3. Do you want a biscuit with your tea? (Asking for one biscuit)
4. Don't give me any sugar, please! (Used in negative or interrogative sentences)
5. Here's some milk for your coffee. (Used in affirmative sentences for uncountable nouns)
6. There's some cream in the fridge. (Used in affirmative sentences for uncountable nouns)
7. There aren't any tomatoes in this salad. (Used in negative or interrogative sentences)
8. I want to make some porridge for my breakfast. (Used for uncountable nouns in affirmative sentences)