61. El primero seria 72 dias.
63. 90 dias
65 y 66, no las entiendo....sorry, pero ayudé a mi mejor esfuerzo....
<h3>Which sentence correctly substitutes the bolded phrase?</h3>
Yo miré la cadena.
Answer: Yo la miré.
I looked at the chain.
Explanation: The direct object pronoun must match the direct object in gender and number. "Cadena" is a feminine and singular noun, so its direct object pronoun must also be feminine and singular. La (Yo la miré.)
Jaime buscó a los chicos.
Answer: Jaime los buscó.
Jaime looked for them.
Explanation: The direct object pronoun must match the direct object in gender and number. "Chicos" is a masculine and plural noun, so its direct object pronoun must also be masculine and plural. Los (Jaime los buscó.)

I would personally say personal information like your social security number, credit card info, home address ect. Stuff like that, Hope this helps!