1. doña maría
2. señora pérez
3. compañía mexicana de inversiones
4. usted
5. banco de santander
6. doctor medina
7. código postal 03697
8. cuenta corriente

1. Dña. María

2. Sra. Pérez

3. Cía. Mexicana de Inversiones

4. Ud.

5. Bco. de Santander

6. Dr. Medina

7. C.P. 03697

8. c/c.

Explanation:

The exercise aims for you to practice Spanish abbreviations. An abbreviation is an orthographic convention that shortens the writing of a certain term or expression, and consists of the written representation of a word or group of words with only one or more of its letters.

Here is a list of some common  abbreviations in Spanish:

admón. = administración  = administration

arq.  = arquitecto = architect

av. = avenida = avenue

bibl. = biblioteca = library

cdad. = ciudad = city

ch/ = cheque = check

edit. = editorial = editorial

etc. = etcétera = and so on

impto. = impuesto = tax

izdo. = izquierdo = left

Ob. = obispo = bishop

párr. = párrafo = paragraph

P.D = posdata = postscript