Do these sentences have the correct punctuation? What is the cause of using the punctuation mark in each sentence?
1- He was a man without a plan ; a rebel without a cause.
2- Humanity has only one thing left : hope.
Please, notice that there should be no space before the semi colon or the colon. I'll begin with 2. Yes, it has the correct punctuation. The colon can be used to emphasize a phrase or single word at the end of a sentence.
Concerning 1, you should have provided us with the source of your question. Anyway, I found it here (Number: 11):
This site says the the semicolon is the correct answer without giving us the reason. IMO, 'a rebel without a cause' is used as an elliptical clause, this is why the semicolon is used to separate it from the independent clause.
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