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问题: 英语

把下列句子变成被动语态
Where did he translate the story?
we had to repair our TV set.
Do they take good care of the sick?


请问:
What are they used for?能否改成What are they used to?

解答:

Where was the story translated by him?
Our TV set had to be repaired.
Is the sick taken good care of (by them)?


回答:意思改变了。