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—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

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

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

       A．a(chǎn); the                  B．the; the                C．the; a                  D．a(chǎn); a

?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

—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

 

— 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(chǎn); a

C．the; a

D．a(chǎn); the

— 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

 

— 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

 

— 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

 

— 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