1. Before singular countable nouns we use __________ before a consonant and _______ before a vowel. I have _______ sandwich for lunch. I had _______ apple for a snack today. 2. In positive sentences, with plural countable and uncountable nouns we use _______. There are _______ oranges in the cupboard. I have got _______ juice in the fridge. 3. In questions and negative sentences with plural countable and uncountable nouns, we use _______. Are there _______ tomatoes? There isn’t _______ fish on the menu. 4. In offers and requests, we use some. Can I have _______ water, please? Would you like _______ biscuits?