他逐漸明白正是他對彈鋼琴的全情投入使他堅持不懈的努力有了價值。（worthwhile） He gradually realized that it was his dedication to playing the piano that made his persistent efforts worthwhile.He gradually realized that it was his dedication to playing the piano that made his persistent efforts worthwhile.
【考點】形容詞詞義辨析．
【答案】He gradually realized that it was his dedication to playing the piano that made his persistent efforts worthwhile.
【解答】
【點評】
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發(fā)布：2024/9/7 2:0:9組卷：6引用：1難度：0.5
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