4)
1. What are you doing on Sunday?
I'm making a cake.
2. What is he doing this weekend?
He is visiting his cousins in Cornwall.
3. What is the Queen doing tomorrow afternoon?
She is having a garden party at Buckingham Palace.
4. What are we doing this evening?
We are going to a restaurant with our parents.
3)
2. is leaving
3. are arriving
4. are leaving
5. are having
6. are going
7. are meeting
8. is leaving
9. are arriving