Respuesta:
1. Ben is going to go fishing. - Ben va a ir a pescar.
2. He isn't going to sunbathe. - Él no va a tomar el sol.
3. He isn't going to make sandcastle. - Él no va a hacer castillos de arena.
4. He is going to swim in the sea. - Él va a nadar en el mar.
5. Kim is going to go surfing. - Kim va a ir a surfear.
6. She isn't going to have a picnic. - Ella no va a tener un picnic.
7. She is going to find shells. - Ella va a buscar conchas.
8. She is going to go camping. - Ella va a ir de campamento... ;)
