◎ 题干
“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”
A.must; couldB.may; might
C.need; mustD.could; need
◎ 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“ “Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”A.must; couldB.may; mightC.need; mustD.could; need…”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。