问题
选择题
I’ve been working all day, but I feel as if I _______ nothing.
A.have been achieved
B.were achieving
C.had achieved
D.am achieving
答案
答案:C
考查虚拟语气,此题是与过去相反的虚拟语气,as if 后应用过去完成时态,句意:我整天一直在工作,但是我感觉好像什么也没完成。所以选C。