题目内容
根据要求完成句子变化
Did they build a bridge here a year ago?
(变为被动语态)_________ a bridge __________ here by them a year ago?
答案:Was;built
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题目内容
根据要求完成句子变化
Did they build a bridge here a year ago?
(变为被动语态)_________ a bridge __________ here by them a year ago?