问题
选择题
–I don’t know what I _______ without the suitcase you lent me.
–Glad to have been of some help to you.
A．should have done
B．would do
C．would have done
D．should do
答案
答案：C
题目分析:句意：——我不知道没有你借给我的提箱我会怎样做。——很高兴能对你有帮助。
“情态动词+v原形” 表示对现在的假设和虚拟；根据句意可知此处表示对过去发生事情的推测，故排除BD选项，should have done “本应该做某事”，根据otherwise判断此处是含蓄型的虚拟语气，选C。