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

1. —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

【考点】

不定冠词;

【答案】

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单选题普通

1. — Hello, could I speak to Mr. Smith?

— Sorry, wrong number. There isn't______ Mr. Smith here.

A. 不填 B. a C. the D. one

单选题普通