1. Mi hermano es menor que mi papá
2. La clase de español es mejor que la clase de ingles
3. Tu sabes mas que tu amigo.
4. Tus primos saben menos que tu.
Venga a nuestra casa is used for someone who should respect or who is elderly so this would be the right choice.
Ven a nuestra casa would be used to refer to maybe your close friends or people you can be casual with :)
En la cara hay dos ojos.
in the face there are two eyes
Si: Standing for yes
Nosotros: Means us
Caminamos: Stands for walk
Yes, we walk.
1 Mi hermanastra tiene quince anos
2