It is not ____ to discuss the question again and again.A.worth B.worthy C.worthwhile D.worth
问题描述：
It is not ____ to discuss the question again and again.A.worth B.worthy C.worthwhile D.worth
It is not ____ to discuss the question again and again.
A.worth B.worthy C.worthwhile D.worth while
答
选C it is worthwhile to do 或 doing sth