Write tag-questions.
1. We can have a party on Sunday, can’t we?
2. She is responsible for the social program, isn’t she ?
3. They invited our students to London, ?
4. Tom wasn’t at school yesterday, was he?
5. My friends like to arrange different competitions, …?
6. It’s cold today, …?
5),don’t they?
6),doesn’t it?
5. my friends like to arrange different competitions, right?
6. It's cold today, isn't it?