问题
选择题
--- I stayed at a hotel while in New York .
--- Oh, did you? You ＿＿＿＿ with Barbara．
A．could have stayed
B．could stay
C．would stay
D．must have stayed
答案
答案：A
could have done表虚拟，意为“本来能够做…（而事实上没做成）”，句意为“噢？你呆在宾馆了！你本来可以和芭芭拉住在一起的”。