Complete the sentences in the exercise using the provided verbs, and provide detailed explanations.

1. I go to work at half past eight every morning. 2. They don't have a car, so I go to work on the bus. 3. They shop online because shopping in the city is very crowded. 4. They study at the university in Berlin. It's a great city! 5. We eat in cafés at lunchtime because they are very expensive. 6. They like friends here in the evenings because the food is very good. 7. Most people live in the city center because it's very polluted. They are in the suburbs.