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I find phone cards beautiful, I ______ them for many years.

A.had collected
B.had been collecting
C.have been collected
D.have been collecting
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科目:初中英语 来源:0115 模拟题 题型:单选题

I find phone cards beautiful, I ______ them for many years.
[     ]
A.had collected
B.had been collecting
C.have been collected
D.have been collecting

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