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1ãLesson Twenty-nine 第äºåä¹è¯¾
2ãChapter Twenty-Nine ä¸äºä¿±å¤
3ãtwenty-nine years old äºåä¹å²
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1ãMeet Grady, a twenty-nine year old construction worker.
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2ãIt was built in nineteen twenty-nine in one of the few areas of the Valley that has water.
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3ãIn a comparison of twenty-nine countries, the United States is second, after Canada.
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China will host the29th Olympic Games.
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