Study the rules. Match the words in blue in the text below with rules 1-4. ORULES 1 We use a/an to talk about something for the first time. 2 We use a/an with singular countable nouns. 3 We use the when there is only one. 4 We use the to talk about something again. At lunchtime Becky Jackson buys a sandwich and some chocolate. She goes to a shop near her school. Her friend Annie goes to the shop too. But Becky's other friends have lunch at the school cafeteria.​