worth 的用法

1. worth： be worth + n.　 當名詞為金錢時，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.　當名詞為抽象名詞時表示"……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.

典型例題

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，此句只適合詞組be worth-while to do sth.。因此選C。

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