问题 选择题

--Is your father a teacher?

---well, he _______.

A.used to

B.was used to

C.used to be

D.is used to be

答案

答案:C

C 考查used to的用法。“过去常常做……”used to do sth.,“习惯于......”be used to doing sth.“曾经是老师”, used to be中be的不能省略。

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