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He has relied on his confidence and persistence to practise singing for 30 years，
which has earned him success
which has earned him success
．
他依靠自己的信心和毅力练习唱歌30年，这为他赢得了成功．

【考点】现在完成时．

【答案】which has earned him success

【解答】

【点评】

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发布：2025/1/1 9:30:1组卷：2引用：3难度：0.6

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He has relied on his confidence and persistence to practise singing for 30 years， which has earned him successwhich has earned him success．他依靠自己的信心和毅力练习唱歌30年，这为他赢得了成功．