The is a definite article meaning that you cannot use it
"an" can only be used before words beginning with vowels
therefore the answer is" a"
Every restrictive clause must be written between two commas. Only in this way will the sentence be correct.
<h3>What is a restrictive clause?</h3>
- It is a part of the sentence that explains a previously presented term.
- It is a part of the sentence that adds extra information;
- It is a part of the sentence that can be deleted without compromising the meaning.
An example of a restrictive clause is this sentence: "His dark eyes, black as night, reflected the light of the room." In this sentence, the clause "black as night" is a restrictive clause, as it adds information, can be removed from the sentence, and explains the term "dark eyes," in addition to being positioned between two commas.
Your question is incomplete, as you didn't show the sentence it refers to. However, taking into account the context of your question, I have shown an explanation of how a restrictive clause should be presented to help you answer your question correctly.
Learn more about restrictive clauses:
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A road block or anything in one path
No advantage you have to be motivated to do your work
