雅思口語(yǔ)話題題庫(kù)Concentration中的常用短語(yǔ)

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    •concentrate on
    •pay close attention to
    •keep one`s mind on
    •devote one`s mind to
    •be absorbed in
    •focus on
    •stay focused on
    •specialize on
    •centre on
    •stay on the ball
    •zero in on