Final answer:
The Spanish word that best completes the sentence is 'cena', which means 'dinner' in English.
Step-by-step explanation:
The Spanish word that best completes the sentence is cena, which means 'dinner' in English. The sentence is saying that after classes, the speaker always eats dinner. Other options that are not appropriate in this context include:
- bistec: meaning 'steak'
- desayuno: meaning 'breakfast'
- merienda: meaning 'snack'
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