Explanation:
The Adjective is word(s) that describe the noun.
A noun is a person, place, or thing.
First, to solve this problem, identify what is the noun.
The slow turtle was quite large.
Turtle is the noun in this sentence. What words are used to describe the noun? In this case,
1) large, is used to describe how big the turtle is.
2) slow, which is used to describe the pace in which the turtle is walking.
It only states adjective (singular), and does not give any more information, so choose the word based on any extra information you got that was not provided.
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