1. We sunbathed and swam …in the river. 2. We are tired …from out trip. 3. Their equipment is …of high quality and looks very nice. 4. Sometimes before they go …to the cinema to see a film they read …about it …in newspapers. 5. Our goods are …in great demand …on the world market. 6. Let’s go …to the park. It’s very warm. 7. We are going …to St. Petersburg …for a week. 8. What time did you arrive …at work yesterday? 9. My little son is good …at playing computer games. 10. What are you looking …at? – I’m looking …at that unusual picture …on the wall. 11. Please, turn …off the gas-fire before you leave. 12. We were …in time for the lecture. 13. The store in open …from nine …to six.
