keep的语法要点：keep doing sth.继续做某事keep on doing sth.持续做某事keep ... from doing sth.防止...做某事keep ... in mind牢记keep up with跟上keep up持续keep together在一起keep back阻止keep away from...使离开1.keep+形容词 2.keep+sth/sb +形容词3.keep +doing一直做某事4.keep... from doing ... 阻止做某事。。。5.keepa pet
饲养一个宠物6.How long may I keep this book ？ keep指借。...
