Is your father a doctor?
-------Well,he_______.But now he works in a bank.
A.were B.used to C.used to be D.is
请帮忙分析下
人气：459 ℃ 时间：2020-01-15 03:30:43
解答
C 不定式后面是 be 和 have 的时候不能省略
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