问题
选择题
—Did you pass the driving test?
—No.I ________ it，but I had little time practising.
A．could have passed
B．must have passed
C．can't have passed
D．shouldn't have passed
答案
答案：A
A [由no判断 “没通过考试”，故说本来可以通过的，是对过去情况的一种假设。]