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- 問題詳情：Once,thefamousscientistEinsteintravelledtomanyplacesinAmericatogivelectures.Hetravelledina__26__,andsoonmadefriendswithhisdriver.EachtimeEinsteingavethelecture,hisdriver__27__satinthefrontrowandlistenedtohimverycarefully.The__28__lecturewasgi...
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