Probably to fight? didn't give much other info here...
Answer:
A) NO CHANGE
Explanation:
<em>smiling ironically</em> is a participial phrase. If a participial phrase comes at the end of a sentence, use a comma—unless the phrase is restrictive. The phrase <em>smiling ironically </em>is non-restrictive as it does not contain essential information, so you need to use a comma before it.
A linking verb is a verb that connects the subject of a sentence to the complement.
An action verb is a verb that expresses physical or mental action. The action verb tells us what the subject of our clause or sentence is doing-physically or mentally.
I would go with Action Verb
Answer:
the answer is NOT B. it is D. There was no gravity to keep their waste in the toilet.
Explanation: