Fill in the blanks with correct question-tag forms:
1. We can see homeless people in many places in big cities, ................?
2. You used to live in the countryside, ................?
3. Your dad doesn't like living in big cities, .................?
4. Over population is putting extra pressure on the city's schools, .................?
5. The city will have measures to tackle the traffic jam, ..................?
6. Am I a good child, ................?
1. can't we?
2. didn't you?
3. does he?
4. is it?
5. won't it?
6. aren't I?