◎ 题干
Mrs Smith ______ a teacher. But she doesn't do that job now.
[     ]
A. used to be
B. was used to be
C. has been
D. was used to doing
◎ 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“Mrs Smith ______ a teacher. But she doesn't do that job now. [ ]A. used to beB. was used to be C. has beenD. was used to doing …”主要考查了你对  【动词短语】  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。