武汉新东方酷学酷玩英语营为大家讲解语法知识：worth 的用法。

    武汉新东方酷学酷玩英语营为大家讲解语法知识：worth 的用法。
    worth，worthy，worth-while都为adj.　意为"值得"。
    1. worth： be worth + n.　 当名词为金钱时，表示"…… 值得……"
    be worth doing sth.　"……某事值得被做"
    the question is not worth discussing again and again.
    2. worthy：be worthy of +n.　当名词为抽象名词时表示"……值得……"
    be worthy to be done "某事值得被做"
    the question is not worthy to be discussed againand again.
    3. worth-while： be worth-while to do sth　 "值得做某事"
    worth while： it is worth while doing sth
    it is worth while sb to do sth.
    典型例题
    it is not ____ to discuss the question again and again.
    a.worth　b.worthy　c.worth-while　d.worth while
    答案c. 由worth的用法可知，此句只适合词组be worth-while to do sth.。因此选c。 【纠错】