Answer : My sister and I love to cook; we spend hours cooking together.
Among the choices presented above, this sentence shows a semi-colon being used properly in connecting two independent clauses. A semi-colon is a punctuation mark that helps in connecting two independent clauses that have closely related ideas. In the sentence above, the two independent clauses are “ My sister and I love to cook” while the other one is “We spend hours cooking together”. These clauses can both stand on their own and have related ideas.