Change the following from active to passive:
Did the committee sanction the revised environmental policy?

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Accepted Answer

1. The active sentence is in past simple: "Did the committee sanction the revised environmental policy?"  
2. In passive, past simple questions use **Was** + past participle.  
3. The past participle of "sanction" is **sanctioned**.  
4. So the passive question is: **Was the revised environmental policy sanctioned by the committee?**  
FINAL_ANSWER: <d>

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