◎ 题干
_________ it rain tomorrow, we would have to _________ the spring outing.
A.Should; call offB.Were; take off
C.Should; take offD.Were; call off
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“_________ it rain tomorrow, we would have to _________ the spring outing.A.Should; call offB.Were; take offC.Should; take offD.Were; call off…”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。