I think that its A because in Colombian private and public schools you have to wear a uniform but only in Spanish private schools you have to wear one.
espero que esto ayude!
Can you add the words so we can help you, please?
The answer to your question is nubes. 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
