1. My grandparents visited Edinburgh for two weeks in 1980. They had been there five years before so it wasn't completely new to them
2. My brother has been interested in music for quite a long time. he was given his first guitar 20 years ago
3. John worked in a travel agency for six months in 1985. He already had some experience of the tourist industry because he had worked in a Tourist Information office In London two year ago
4. Patricia started working as a journalist with a newspaper in Madrid ten years ago. She's been working for the same newspaper ever since then