Respuesta :

The underlined phrase is "to earn good grades". Hence it is prepositional in nature.

What is a prepositional phrase?

A prepositional phrase is one with a preposition and a noun, pronoun, or noun phrase as its last component "From Greece" is a prepositional phrase in "He is from Greece."

Thus, it is correct to state that the phrase "to earn good grades" is prepositional. Given that "grades" is a noun,

Full Question:

Read the following sentence:

The best way to earn good grades is to work hard and study.

The underlined phrase is which of the following? (5 points)

A) Prepositional

B) Gerundial

C) Infinitive

D) Participial

Learn more about prepositional phrase at;

https://brainly.com/question/427749
#SPJ1