1. We met some foreigners at the beach yesterday and we played beach volley-ball with some foreigners.
Them
2. My parents paid for a fun banana ride and we all enjoyed the banana ride a lot.
It
3. Some friends invited my brother and me out for a dance, so they picked my brother and me up at our hotel.
Us
4. My mother doesn’t know how to swim and my father tried to help my mother into the ocean.
Her
5. My father was very hungry at midday, so my mom bought some seafood for my father.
Him