What we have been doing may not do us any good but it will benefit us or others we’ll st

问题补充：

What we have been doing may not do us any good, but it will benefit us or others,we’ll stick it out.

A. no matter

B. whether

C. however

D. despite

答案：

A. no matter

(答案→)B. whether

C. however

D. despite

解析：句意：我们所作的事情也许对我们没有好处，但是无论它是否有利于我们或其他的人，我们都将坚持。选项A不完整；whether无论，引导的是让步状语从句；however可是；despite尽管，是介词，后跟名词或代词，不跟句子。根据句意故选B。