Question

I think you should complain—      , of course, you are happy with the way things are.

A．if

B．unless

C．as

D．because

Answer 1

B

考查连词辨析。If 如果，unless 除非，as 因为，当什么的时候，because 因为，句意：我认为你应该抱怨，当然，除非你对事情的方式满意。所以选B。