Read the two sentences. the librarian read a story to the children.
the librarian clearly and cheerfully read a story to the children.

which kind of phrase(s) was added to the first sentence to make the second sentence?
a. prepositional phrase
b. adjective phrase
c. adverb phrase d. adjective phrase and adverb phrase

C. Adverb phrase.

Explanation:

1. The librarian read a story to the children.

2. The librarian clearly and cheerfully read a story to the children.

The first sentence is just a simple sentence. Sentence 2 gives a further description of the sentence. The addition of the phrase "clearly and cheerfully" is an adverb phrase for it gives the 'how' of the verb 'read'. Adverb phrases give a better emphasis on how, when, why the verb is done. So, in the sentence, the adverb phrase "clearly and cheerfully" gives more emphasis on the action "read". Thus, the answer is the adverb phrase "clearly and cheerfully" is added in the first sentence to make the second sentence.

B. Adjective phrase.

Explanation:

An adjective phrase is a group of words that are used to modify a noun.

In the given sentence words "clearly and cheerfully" modifies the noun. And it describes the quality of reading by the librarian in the sentence.

op: object of preposition

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