Complete the sentences

1. they are poor. My parents live happily
-> Although
2. how often/ they/ visit/ old teacher?/ they/ them/once/ year (complete the sentences)
3. how/ people/ celebrate/ festival/ they/ celebrated/ a special/ way (complete the sentences)
4. you can watch folk music performances in winter festival ( make question)
5. mai will go to da nang to enjoy the international fireworks festival next month ( make question)