as your instructor advised,you ought to spend your time on something () researching.

问题描述:

as your instructor advised,you ought to spend your time on something () researching.
worth,可我觉得worthwhile也可以

be worth doing ,值得一做.这是个短语,这里worth researching 做定语,修饰something. worthwhile 用在句子 it is worthwhile... 中.