Sensible peopl don’t think it is to buy things which are not needed even at a low price.
A. worth
B. worthy
C. wothless
D. worthwhile
网友回答
A. worth
B. worthy
C. wothless
(答案→)D. worthwhile
解析：It is worthwhile to do sth“值得做某事”。
it is worth doing sth
it is worthy to be done
It is worthy of being done