Here are the answers to your quiz questions:
Question 12: The original sentence shows an inappropriate shift in verb voice and mood. The best revision that maintains a consistent voice and mood is:
When Maria writes the report, she presents it to the class and explains why it is important.
Question 13: The best way to punctuate the sentence is:
With two seconds left on the clock, the player dribbled down the court... slam dunk!
Question 14: The word "innovative" most likely means:
Creative and original
If you have any more questions or need further clarification, feel free to ask!