I. The Caucasus is famous ... its holiday centres. 2. When we were travelling ... the Crimea, we stopped one day ... a nice little village ... the mountains. 3. Are you travelling ... business or ... pleasure? 4. I like trav elling ... train, because when the train passes ... beau tiful places, I can see them ...... the window. 5. As we were flying ... my home town, I could see how large it had become. 6. ... the way ... Italy the plane flew ... many European countries. 7. The book I advise you to read consists ... three parts.