问题
选择题
--- It took me two hours or so to walk here.
--- But you ______ here in Billy’s car.
A．could have come
B．must have come
C．must come
D．could come
答案
答案：A
考查情态动词。句中could have done本可以。句意：——我花了差不多2个小时走到这儿。——但你本可以坐Billy的小汽车到这儿。