In an effort to realize his dream, duncan an aspiring astronaut spends hours studying to prepare for his college entrance exams. retype the sentence in the space below. use all caps to identify the appositive or appositive phrase. punctuate accordingly. write the noun to which the appositive refers below your sentence.

In an effort to realize his dream, Duncan, AN ASPIRING ASTRONAUT, spends hours studying to prepare for his college entrance exams.

The noun that the appositive refers to is DUNCAN.

Explanation:

An appositive or appositive phrase is a word or group of words that give an extra detail about the noun. It further describes the noun of the sentence, giving an added information in the sentence.

In an effort to realize his dream, Duncan, AN ASPIRING ASTRONAUT, spends hours studying to prepare for his college entrance exams.

In the above sentence, the noun is Duncan and the appositive/ appositive phrase is "an aspiring astronaut" for it further give a description of Duncan.

to and without are prepositions, so a, b, and d are prepositional phrases. the adverb phrase is c, about the surprise.

explanation: