영어 문장 해석 부탁드려요

아래 문장들 해석을 부탁드려요.
기초 문장인데도 잘 이해가 안 되네요. 도와주세요~
1. She picked it up with her free hand.
2. Anyone who joins this bank gets a free set of dishes.
3. It can be rude to reply “No” to the question “Have you eaten?” when you haven’t had a meal yet.
4. I met a gentleman, who was very kind.
5. They had two sons who became doctors.
6. I want a man who can speak English fluently.
7. He is the man who lives next door.
8. I have a friend who helps me.