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 单项填空Myfather

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 单项填空Myfather

 单项填空

My father ___________ a doctor, but now he is a writer.

A. was used to be   B. used to be

C. is used to be     D. was used to being

【回答】

B   used to be a doctor曾经是一名医生。

知识点:动词和动词短语

题型:选择题