Question

— 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

Answer 1

B

考查冠詞用法。兩個空缺處均是泛指，且都是以輔音因素開頭的單詞，故答案選B。