keep on 继续下去, 锲而不舍 如 keep on studying to find out more truth。 和 keep up =跟上 跟上时代潮流 keep up with the latest advances and development in science and technologies 跟上最新的科学技术发展
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第2个回答 2012-04-30
keep on doing keep up 可以作为不及物动词短语 keep up sth 很高兴为你解答! 老师祝你学习进步! 望采纳,多谢你的问题!^_^追问