◎ 题干

----Why isn’t Cathy here yet?
--- She _________ to be picked up at the station.
A.could wait B.must wait
C.might be waiting D.can be waiting
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“----Why isn’t Cathy here yet?--- She _________ to be picked up at the station.A.could wait B.must wait C.might be waiting D.can be waiting…”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。