问题
选择题
It’s a shame ______ able to give them any advice.
A.not to have been
B.to have not been
C.to have been not
D.to not have been
答案
答案:A
题目分析: 句意为:很遗憾,未能给他们任何建议
从语气上看,此题属于虚拟语气。动词不定式的否定形式在其前加not,可排除B,C,D
点评:此题主要考察考生对动词不定式的掌握程度和熟练情况。考生在进行复习时,应特别注意此类知识点的活学活用。