摘要： It was announced that only when the fire was under control to return to their homes. A. the residents would be permitted B. had the residents been permitted C. would be residents be permitted D. the residents had been permitted 考点解析:句首的It was announced that为主语从句.在从句中.因为only+when状语从句放在句首.因此需用部分倒装.最佳答案为C.

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