Разбираемся:
Last weekend Paul A) went to his cousin's house in the countryside. Together they B) had a lot of fun: they went fishing, rode bicycles, and played football. Paul thought the countryside was much C) quieter than the noisy city. In the evening they sat near the fire and told stories. Right now Paul D) is writing a letter to his cousin to thank him for the weekend. He says it is one of the happiest weekends he has E) ever had, and he wants to go there again soon.