Final answer:
The correct answer is 'au magasin de meubles'. This means 'at the furniture store' in English.
Step-by-step explanation:
The correct answer is au magasin de meubles. This means 'at the furniture store' in English. In the sentence, 'J'achète un lit', which translates to 'I am buying a bed', the most appropriate place to buy a bed would be a furniture store.
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