=>

1. My sister can swim well, but she can't play badminton.

-> but: nhưng

2. She loves French food, so she goes to that French restaurant every week.

-> so: vì vậy, vậy nên

3. He stayed up late to watch a football match, so he was tired.

-> so: vì vậy, vậy nên

4. This TV programme is boring, but she still watches it every Sunday.

-> but: nhưng

5. My mum and his mum went to Ho Chi Minh city last month.

-> and: và

6. The hunted theatre is frightening, but children love it.

-> but: nhưng

7. I'm interested in the history of television, so I like reading books about it.

-> so: vì vậy, vậy nên