18．When he was a child.he swim in this river． A．uses to B．doesn′t use to C．used to ——青夏教育精英家教网—

摘要：18．When he was a child.he swim in this river． A．uses to B．doesn′t use to C．used to D．was used to

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When he was a child，he _______ swim in this river．

A．uses to B．doesn′t use to C．used to D．was used to

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