1. Falso, It is the most requested language in universities.
2. Cierto
3. Falso, Due to Spanish being a highly spoken language in the world, most companies have customer service in Spanish.
4. Cierto
In my opinion abran would be better but the rest are good words too because its saying open your gifts everyone and its makes more sense then saying den (give) or da
1. Once cuadernos.
2. Veintiun maestros.
3. Trenta y un mochilas.
4. Setenta y un estudiantes.
5. Cincuenta y siete clases.
1. Prefiero
2. Tiene
3. Deseas
4. Quieren
5. Debemos