11. —You realize that you were driving at 100 miles per hour don’t you ?—No officer I

问题补充：

11. —You realize that you were driving at 100 miles per hour , don’t you ?

—No, officer , I have been . This car can’t do more than 70

A. needn’t

B. shouldn’t

C. couldn’t

D. might not

答案：

A. needn’t

B. shouldn’t

(答案→)C. couldn’t

D. might not

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