What you have is and infinitive verbal. The answer is to speak.
1. To teach a lesson, <span>Aesop used the fable "The Fox and the Crow."
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2. Sitting in a tree with a piece of cheese in her beak <span><span>is a crow</span>.
3. </span><span>Nearby, a fox spies on the crow.
4. The crow is the fox's plan </span><span>to trick.
5. His goal is to get her cheese. (gerund)
There is no gerund in this sentence.
6. To distract the crow's attention, t</span><span><span>he fox flatters her.
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7. </span><span>Slyly, he asks her to sing just one song.
8. </span><span>Opening her mouth to sing, the crow drops the cheese.
9. The fox snaps up the cheese in a flash.
10. </span><span><span>To end the fable, </span>Aesop adds a moral.</span>
If the underlined words are to practice hard the answer is C
