keep-on和keep-up什么区别
来源:百度知道 编辑:UC知道 时间:2024/06/01 01:47:22
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keep (on)doing,keep up sth都是坚持:don't keep on asking silly questions.别老是问傻问题。when I stopped studying.I was still keen to keep up my English我不读书了还是很想坚持学英语
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来源:百度知道 编辑:UC知道 时间:2024/06/01 01:47:22
keep (on)doing,keep up sth都是坚持:don't keep on asking silly questions.别老是问傻问题。when I stopped studying.I was still keen to keep up my English我不读书了还是很想坚持学英语