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- Have you seen pen? I left it here this morning. - Is it black one? I think I s

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- Have you seen pen? I left it here this morning. - Is it black one? I think I s

15. — Have you seen _________ pen? I left it here this morning.

— Is it ________ black one? I think I saw it somewhere.

A.a ; the        B.the ; the   C.the ; a      D.a ; a

试题答案

D