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  • he( )to play ( )before he was 11 years old A had learned ,the piano B has learned ,the piano

    he( )to play ( )before he was 11 years old A had learned ,the piano B has learned ,the piano
    英語人氣:986 ℃時間:2020-08-21 06:30:57
    優(yōu)質(zhì)解答
    A had learned ,the piano
    因為語句中已經(jīng)有了過去時間,表現(xiàn)過去的過去,用過去完成時.
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