Because not many students have parents/guardians to teach them how to drive.
Nominative case pronouns are pronouns that are generally used as the subject of the sentence because they are the main doer of the action. Nominative case pronouns include I, he, she, it, they and we. So the sentence that correctly uses a nominative case pronoun is option A. Karen and I joined a junior bowling league.
I don’t understand this question but yeah