题目内容
【题目】The 1919 Addison Act was a revolution, which required that a survey of housing needs __________ by all local authorities.
A.would conductB.conductC.must be conductedD.be conducted
【答案】D
【解析】
考查情态动词与虚拟语气。句意: The 1919 Addison Act 法案是一场革命,它要求所有的地方当局,对住房需求进行调查。分析句子可知, require引导宾语从句,谓语动词用(should )+v.,根据句意,本句谓语动词应为被动结构,故答案为D。
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