Please give me ________envelope, I want to write a letter to my father.

         A. a     B. an       C. the       D. /

Please give me ________envelope, I want to write a letter to my father.

Please give me ________envelope, I want to write a letter to my father.

A．a                B．an               C．the              D．/

Please give me ________envelope, I want to write a letter to my father.

1. A.
   a
2. B.
   an
3. C.
   the
4. D.
   /