I would recommend reading over the lines many times and remembering the cues. You could make flash cards with one side having the cue and the other with the line.
Based on the 3 given answer choices,
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I would have to go with Font (C).
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Dialogue and Stage Directions are apart of Theatre.
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Hope this helps! :)
Simile. if it uses like or as it is a simile
Is this how to kill a mockingbird?