问题
选择题
To most people,coffee can keep them after they worked hard.
A．feeling tired
B．from feeling tired
C．feeling tiring
D．from feeling tiring
答案
答案：B
keep sb.doing sth.表示“让某人一直干某事”，而 keep sb.from doing sth.则表示“阻止某人干某事”，再根据句意，B项合适。
