-----Have you seen___ pen? I left it here this morning.

-----Is it __black one? I found it in the corner.

 A. a, the       B. the, the?    C. a, a       D. the, 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

-- 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．a(chǎn)；a             D．the；a

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

----Is it ____ black one? I think I saw it somewhere.

---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. a, a　　 D. the, a

---Have you seen___pen? I left it here this morning.

---Is it __black one? I found it in the corner.

A. a, the　　　 B. the, the?　 C. a, a　　　 D. the, 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. a, a　　 D. the, a

-Have you seen___ pen? I left it here this morning.

-Is it __black one? I found it in the corner.

1. A.
   a, the
2. B.
   the, the?
3. C.
   a, a
4. D.
   the, a

-----Have you seen___ pen? I left it here this morning.
-----Is it __black one? I found it in the corner

1. A.
   a, the
2. B.
   the, the
3. C.
   a, a
4. D.
   the, a