题目

--- Got your driving license?     --- No. I ______ too busy to have enough practice, so I didn’t take the driving test last week. I’m going to next week.     A. was        B. have been      C. am          D. had been 答案：D 解析: 按照对话时态都为过去时，该动作发生在last week.前，用过去完成时。

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