<span>Me llamo Natalia Cruz. ___Yo soy_____ mexicana.</span>
The correct form is tengo - /Yo tengo quince anos/.
Hope this helps.
These sentences can be complete in the following way:
1) Nadie.- this would mean that you do not know anyone.
2) Ningún- it makes reference to the book. you do not have a book
3) nunca. This means that you do not do that activity. you never do it
4) ni. not having one thing nor the other.
5) nada. this means that the table is empty- nothing on it.
Arizona, California, and Florida.
Hope this helps!
Waiting for your server in a restaurant to come to you.