He worked on what?
<He Worked>
I think it would be best if you write it yourself, that way it sounds more original and you won’t have to worry about plagiarism. But that’s just my opinion. But, some of my advice would be to use a website called Grammarly, it’s super helpful for this sort of thing. :). Sorry this wasn’t the answer you wanted.
Answer:
Can you tell me which sentences are they? I can't give an answer if there aren't any to choose from.
Paraphrasing involves taking a passage either spoken or written and rewording it
