2013高考英语备考:keep sb.healthy 用法说明
keep sb.healthy使……保持健康 keep,n.“使维持(某种状态)”后可接adj.(ving,p.p,adv.)等作宾补。 ①I was so tired that I could hardly keep myself awake. ②I’m sorry to have kept you waiting so long. ③Keep your mouth shut and your eyes open. ④They kept us out. ⑤Once ...