问题
选择题
--- I didn’t go to class last night because my car broke down.
--- You _______ mine. I wasn’t using it.
A．could borrow
B．may borrow
C．could have borrowed
D．may have borrowed
答案
C
考查虚拟语气。句意：因为我的车抛锚了，昨晚我没去上课。——你借我的啊！我没有用它。可知选C，“could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。