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最佳答案：prevent sb from doing sth
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最佳答案：stop本身有“阻止；拦阻”的意思,后面可以接名次或代词或动词ing.stop sb from doing sth意为“阻止某人做某事”.
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最佳答案：prevent sb.from sth.stop sb.from doing sth.keep sb from doing sth
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最佳答案：stop/prevent sb from doing sth
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最佳答案：不是protect保护,而是prevent阻止!prevent sb from doing sth
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最佳答案：忙于做某事be busy doing sth; be busy with sth阻止某人做某事keep sb from doing sth; prevent s
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最佳答案：有啊,keep sb.from doing sth.就是阻止某人做某事而相应的有keep doing sth.是一直保持做某事的状态
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最佳答案：stop/keep/prevent sb from doing
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最佳答案：stop sb from doing sth