The sentence that would need a semicolon is the first sentence, Jerry loves tennis he plays everyday. Here's the corrected sentence: Jerry loves tennis; he plays everyday. The semicolon separates the two ideas in this sentence. Since this is the only sentence that has two ideas in it, this sentence needs a semicolon. (I hope this explanation is okay, and you understand what I'm trying to say!)
Hope this helps!! :) If there's anything else that I can help you with, please let me know!
