◎ 题干
— Did you go to the beaches?
— No, mum is ill _____ and I _____ stay at home to look after her.

[     ]

A. on bed; must
B. on the bed; have to
C. in the bed; must
D. in bed; have to
◎ 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“— Did you go to the beaches? — No, mum is ill _____ and I _____ stay at home to look after her. [ ]A. on bed; must B. on the bed; have to C. in the bed; …”主要考查了你对  【情态动词】【介词短语】  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。