Read this example of incorrect sentence structure. Gino is starring in the school play, it opens next week. Which revision best
corrects the sentence? Gino is starring in the school play it opens next week. Gino is starring in the school play, or it opens next week. Gino is starring in the school play, which opens next week. Gino is starring in the school play after it opens next week.
"Gino is starring in the school play, which opens next week."
This is the correct answer because the word "which" functions as a relative pronoun that adds information about the subject placed directly before it, and properly connects boths parts of the sentence.