Question

—Have you ever seen ____ pen? I can’t find my pen anywhere.
--Is it ____blue one? It is under the book.

A．a; the

B．the; a

C．a ; a

D．the ; the

Answer 1

C

此題考查冠詞的基本用法，a和an是不定冠詞表示泛指；the定冠詞表示特指。