The document provides examples of using articles "a", "an", and "the" in English. It explains that "the" is used for specific or particular nouns, while "a/an" is used for general or non-specific nouns being mentioned for the first time. It then lists cases where "the" is used, such as with names of streets, oceans, countries containing "Republic" or "Kingdom", and more. It also gives examples of when to use "a/an" vs. when not to use an article.

2. I had a sandwich and an apple for lunch. The sandwich wasn’t very good, but the apple was delicious. John is talking to Karen on the phone…