Respuesta:
8. She is married, but She doesn't wear a ring.
9. He lives next door, but we don't see him very often.
10. Can you lend me five dollars. Sorry, I don't have any money .
Explicación:
El Presente Simple Negativo. Se construye de la siguiente manera:
Sujeto + Don't / Doesn't + Verbo en forma base + Complemento.