---Hey, Mr. Smith, you are wanted on ___ phone.

---Who is calling?

---___ Mr. Green. I don’t know who he is.

A. /; A                  B. the; /                 C. the; A               D. /; /

---Hey, Mr. Smith, you are wanted on ___ phone.

---Who is calling?

---___ Mr. Green. I don’t know who he is.

A. /; A                   B. the; /                 C. the; A                D. /; /

-Hey, Mr. Smith, you are wanted on ______phone.
-who is calling?
- ____Mr. Green. I don't know who he is.
　 A. /; A 　 　 B. the;/ 　 　 C. the; A 　 D. /; /

--- Hey, Mr. Smith, you are wanted on ______ phone.

  　--- Who is calling?

  　--- ______Mr. Green. I don’t know who he is.

    A. 不填; A         B. the; 不填        C. the; A       D. 不填；不填

—Hey , Mr. Smith , you are wanted on_____ phone .

　 —Who is calling ?

　 — _____ Mr. Green . I don’t know he is .

　 A．不填；A B．the ；不填 C．the ; A D．不填；不填