题目内容
---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
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题目内容
---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