The revision which would most improve sentence 7 is the one that follows:
Suggest an alternative plan to replace the current school calendar. Explain why it is outdated and inefficient. Express an opinion about those who oppose changing it. Restate the strongest piece of evidence used to support the claim.
Comments: The paragraph above contains instructions for a school assignment or something like that. Since there were instructions, it was necessary to change the verbs from "ing" form to imperative (used to give orders, commands,instructions). Punctuation had to be changed as well: a few pauses were added, and that was done with periods (.). In order to make it less repetitive, it was the right choice to replace "the current school calendar" with the pronoun "it" (third person singular) from the second time we talked about "the current school calendar" on.
I believe its the <span>Resolution</span>
Answer:
A student sometimes discovers he or she doesn't like their chosen field.
Explanation:
The pronoun-antecedent agreement simply means that the pronoun agrees with the antecedent in number which can either be singular or plural (pronoun) or first person, second person, etc (antecedent).
The sentence that has a problem with the pronoun-antecedent agreement is A student sometimes discovers he or she doesn't like their chosen field because the pronoun does not agree with the antecedent in number.