题目内容
—Fined $20! You know you ________ 100 km an hour,don’t you?
—No,officers. I can’t have been. This car doesn’t do 80.
A.are driving B.have driven
C.had driven D.were driving
D 交警告诉司机“罚款20美元”,并告诉他刚才的车速,说明发生在过去某一时刻,应用过去进行时。
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