Final answer:
The best word to complete the sentence is 'cuál'. The sentence is asking the student to choose the class they like the most. In the given response, the student says that they like algebra class the most.
Step-by-step explanation:
The best word to complete the sentence is cuál.
The sentence is asking the student to choose the class they like the most. The word cuál is used to indicate selection or choice.
In the given response, the student says that they like algebra class the most.
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