Thanks for your help, John . We have finished our work so
early your help.
A. can’t without
B. couldn’t without
C. wouldn’t under
D. could by
网友回答
A. can’t without
(答案→)B. couldn’t without
C. wouldn’t under
D. could by
解析:
这题考查虚拟语气:句意是:没有你的帮助我们不会这么早完成工作的。因为事实是,由于你的帮助,我们很早完成了工作,是和过去相反的虚拟语气,用couldn’t have done。选B。