3.
2) she is going to learn local dances.
3) they are going to sleep at a tent.
4) we are going to visit a museum.
4.
2) I am going to explore a cave next weekend. What are you going to do?
I am not going to explore a cave. I am going to go surfing.
3) I am going to go on a cruise next summer. What are you going to do?
I am not going to go on a cruise next summer. I am going to go sightseeing.
4) I am going to spend holidays at hotel. What are you going to do?
I am not going to spend holidays at hotel. I am going to go camping.