问题
选择题
—You were driving at 100 km an hour, sir.
—But officer, I ________. My car can’t go more than 80.
A.may not have to
B.couldn’t have been
C.wouldn’t like to
D.needn’t to be
答案
答案:B
考查情态动词的用法;couldn’t have done过去不可能做…,句意是:--你刚刚开车一小时100公里。--但,长官,我刚刚不可能是这个速度,我的车速不超过80.选B。