The President of the United States, together with the leaders of several Central American countries, have agreed to new meetings on agricultural practices.
A complete sentence must include a subject and a predicate.
The answer is: [C]: "He threw his bag on the bed, he sat down and sighed."
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B. Run-on because theres no stopping point on it. For example Flash flooding creates dangerous conditions, rain falls too quickly to be obsorbed into the ground or to drain.