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.
1. How
2. Which
3. Who
4. What
5. How
6. How old
7. What
8. How much
9. How