Final answer:
The sentence '¿Quién la clase de ciencias naturales?' translates to 'Who teaches the natural science class?'
Step-by-step explanation:
The sentence provided is '¿Quién la clase de ciencias naturales?'
Based on the given verb options, the verb that should be used to complete the sentence is 'enseñar', which means 'teach' in English. The correct conjugation would be '¿Quién enseña la clase de ciencias naturales?'
Therefore, the sentence translates to 'Who teaches the natural science class?'
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