No, it is not a sentence fragment
Answer:
Think it over!
Explanation:
The other three aren't forceful, but kind.
Answer: The word <em>rage </em>means anger, but <em>the rage</em> is something that is temporarily in fashion, or hot. For example, the video game Fortnite was all <em>the rage </em>last year as millions of people were playing it.
Explanation:
An abstract noun is something that you cannot touch, but you can imagine, and you know what it is. For example: love, happiness, hatred, etc.
Having this in mind, the sentence that includes an abstract noun is B. Standing on third base, Gene could not believe his luck.
Luck is the abstract noun.