The answer is: [C]: "He threw his bag on the bed, he sat down and sighed."
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Huh? what do you mean by that
Answer:
Generally, hyphens are used to join two words or parts of words together while avoiding confusion or ambiguity. Consult your dictionary if you are not sure if a hyphen is required in a compound word, but remember that current usage may have shifted since your dictionary was published.
Explanation:
