问题
选择题
— Did you visit the museum today?
— No. We ______ it, but we spent too much time shopping.
A．could have visited
B．must have visited
C．may have visited
D．couldn’t have visited
答案
答案：A
本题考查情态动词+have done的用法。句意为： "我们本来可以参观(文化古迹)的，可是我们在购物上花费了太多的时间"。 could have done表示"过去本来可以做某事(而未做) "。最佳答案为A。