问题
选择题
__ I do not know what I ___________ without the suitcase you lent me.
__ Glad to have been of some help to you.
A．would have done
B．would do
C．should have done
D．should do
答案
答案：A
通过without the suitcase you lent me的提示可知此题考察虚拟语气，又根据句意可知是对过去的虚拟，但是should have done意思是“本应该”，所以答案A。