Oh, boy, why are you killing your time this way? Can’t you find something _________ doing at all?

Oh, boy, why are you killing your time this way? Can’t you find something _________ doing at all?

A.useful

B.valuable

C.worth

D.good

答案及解析： C

解析：

句意为：“哦，孩子，你为什么用这样的方式消磨时间？难道你找不到值得做的事情吗？”be worth doing…为固定句型。