“Have you seen pen? I left it here this morning.” “Is it black one? I found it in the co

“Have you seen pen? I left it here this morning.” “Is it black one? I found it in the corner.”
A. a, the
B. the, the
C. a, a
D. the, a

(答案→)A. a, theB. the, theC. a, aD. the, a解析：可联系答.案.网客服索取。

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