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

问题补充：

— Have you seen pen? I left one here this morning.

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

A. the; the

B. a; a

C. the; a

D. a; the

答案：

A. the; the

(答案→)B. a; a

C. the; a

D. a; the

解析：考查冠词用法。两个空缺处均是泛指，且都是以辅音因素开头的单词，故答案选B。