Final answer:
The sentence "Vous avez fini le biftek" is grammatically incorrect. The correct sentence would be "Vous avez fini le bifteck."
Step-by-step explanation:
The sentence "Vous avez fini le biftek" is grammatically incorrect. The correct sentence would be "Vous avez fini le bifteck." In French, the word for steak is "bifteck." The spelling and gender agreement with the verb "finir" in this sentence are incorrect.
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