【单选题】 "You realize that you were driving at 100mph, don't you" "No, officer, I may not have been. This car can't do more than 80."
A.will not
B.cannot
C.might not
D.could not
网考网参考答案:D
网考网解析:
[分析] 情态动词应用
在此因表过去不大可能发生的事,应用couldn't+have+过去分词;因此D为答案。
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