题目内容
【题目】Older people ____ well.
A. looks after B. must be looked after
C. must look after D. looked after
【答案】B
【解析】句意：老年人必须得到很好的照顾。本题考查含情态动词的被动语态；含情态动词的被动语态的结构是"情态动词+ be + done"；题干中老人是“被照料”，A、C和D都是主动结构，故答案是B。
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题目内容
【题目】Older people ____ well.
A. looks after B. must be looked after
C. must look after D. looked after
【答案】B
【解析】句意：老年人必须得到很好的照顾。本题考查含情态动词的被动语态；含情态动词的被动语态的结构是"情态动词+ be + done"；题干中老人是“被照料”，A、C和D都是主动结构，故答案是B。