помогите с англ (артикли)

Peter went to ...shops in Oxford Street yesterday. First of all he went into ...large department store to buy some trousers and ...pair of... socks. He bought ...nice pair of the grey socks, but he couldn't find any trousers in ...colours he likes. He likes ...dark blue; he doesn't like ...bright colours generally. Next he went to a supermarket to buy ...piece of ...cheese and a bottle of ...milk. Finally he went to the library to borrow ...book. He often reads ...books about ...art. Last week he borrowed a book called ...History of ...European Architecture. That week he wants a book on ...Japanese painting.

если можно с пояснениями...