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---Yourealizethatyouweredrivingat100milesperhour,don'tyou?---No,officer,Ihavebeen.Thiscarcan'tdomorethan70.A.needn'tB.couldn'tC.shouldn'tD.mightnot

题目详情
---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.couldn't
C.shouldn't
D.might not
▼优质解答
答案和解析
B