1. ________have you give up smoking? For about two years. 2. _________place is more densely populated – Ha noi or Ho Chi Minh City? 3. _________broken Jane’s favorite vase? Her brother did it. 4. _________ does Mr. Brown do? He’s a reseacher. 5. _________ethnic groups are there in your country? 6. _________ is your grandmother? She’s ninety years old. 7. _________ does your English teacher look like? She’s young and pretty. 8. _________water should we drink every day? 9. _________did you use to go to school? I used to go on foot. 10. _________is it from here to the nearest police station? 11. ________songs is this singer performing? He is performing Trinh Cong Son’s songs. `12. ________ was Ms Ann born? She was born in a small village. 13. ________did you have for breakfast? - Bread and eggs. 14. ________didn’t you invite Jim to the senior prom? 15. ________do they meet each other? - Almost every day.