Final answer:
The correct translation of 'Did you clean your teeth?' using the past simple tense is '¿Limpiaste los dientes?'.
Step-by-step explanation:
The correct translation of 'Did you clean your teeth?' using the past simple tense is '¿Limpiaste los dientes?'.
In this question, the subject is second person singular, referring to 'you'. The verb is conjugated in the past simple tense with the second person singular form 'limpiaste'.
Example: No, I didn't clean my teeth last night. (No, no limpié los dientes anoche.)
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