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

---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

解析:

本题虽说是考查冠词的用法，但也是语义+思维定式考查的具体体现。问句与答语中的Pen 均非特指，对象不明确，故前后用不定冠词。