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Has your grandfather ever worked as a teacher?Yes.He______Chinese in a primary shool when he was
young.
A.has taugut B.teaches C.used to teach D.is teaching
人气:277 ℃ 时间:2020-02-04 00:31:05
解答
C 这是过去时态的句子 只有 C是过去式
used to do sth 过去常常做某事
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