How to Pronounce Names like an English Native Speaker?

In this video, Alisha answers 5 questions. - What's the difference between, in the beach, at the beach, and on the beach? - I would like to know the difference between "come back," "get back," and "go back" if there are any. - What does "take someone or something for granted" mean? - Could you give me some rules or tips to pronounce proper nouns such as human names, geographical names, and so on. It is hard to say these names properly if you have not heard them before. - I saw the phrase "let's hope" in a movie. What does that mean?