I______these books for three years.

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问题 I______these books for three years.

选项 A、bought
B、have bought
C、have had

答案C

解析 由句子后面的for three years可知本句时态应用完成时,又由于动词buy是非持续性动词,不能用于完成时态中,所以要转化为have had的形式。
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