the correct sentence is yo no tengo ninguna alergia.
The answer would be "Estoy escribiendo" because estan means they are, esta means he is, and estamos means we are, adn we are talking about something in first person and estoy means I am so this perfectly fits it
Hope this helps
Answer:
1. chica
2. internet
3. ocho
4.una
5. amiga
6. una impresora / a printer
7. descargar
8. soy
9. ...
10. teclado
11. números/ diez y nueve
13. transporte
14 diez
15 es
17 profesora
18 trece
20 la silla
Answer:
son
Explanation:
Since they are both girls you need a word "they"