Answer:
F grade rules
Explanation:
It is a simile of course A+ is a better grade.
From the above excerpt the fact which best support Peter's opinion is that STUDENTS WHO PLAY AN INSTRUMENT GET BETTER GRADES THAN STUDENTS WHO DO NOT. This can be inferred from the passage: Peter considered playing an instrument a lot of fun; playing musical instruments is great for brain development. It helps the brain develop neurophysiological distinction which helps students distinguish between certain sounds that can aid in literacy.
The answer is repair because repairs would be in a sentence like we made 15 repairs in one day.
The function of the infinitive phrase in the sentence <em>To win a marathon is my goal </em>is object of the verb.
It is definitely an object, and it would follow a verb if it were a normal ordering of words in the sentence (My goal is to win a marathon), and since it is not preceded by a preposition, it cannot be object of the preposition, but of a verb.