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最佳答案:不告诉,你自己想 waiting
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最佳答案:Waiting studying getting
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最佳答案:sleep sleepingtake takingwait waitingplay playingstop stopingcarry carringlike l
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最佳答案:waiting,raining,listening,stopping 重读闭音节双写加ing 如果不是辅音元音辅音结尾就不双写
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最佳答案:flying,cooking,emptying,cleaning,crying,sleeping,waiting
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最佳答案:takingfalkingstandingwaitingbuyingenioyinglyingsittinghavingeating