◎ 题干
He____to school,so he turned off the alarm clock and went back to sleep.
A.needn’t have goneB.hasn’t needed to go
C.needn’t goD.didn’t need to go
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“He____to school,so he turned off the alarm clock and went back to sleep.A.needn’t have goneB.hasn’t needed to goC.needn’t goD.didn’t need to go…”主要考查了你对  【虚拟语气】【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。