Ayer yo prometí llevar a mi sobrino al cine.
This sentence means - Yesterday, I promised to take my cousin to the cinema.
When it comes to the word ayer (= yesterday), you know immediately that you should use the preterite form of a verb, which in this case is prometer. For first person singular, I, that form is prometí.
Answer:
R// El lapiz es para escribir
Answer: This translates to: Write three things you learned about schools in Mexico.
Explanation: Use google translate.
(also I don't know what you learned so I can't help you on that)
Es nativo de California.
Es un Estado Unidense.
Es ciudadano de California y los Estados Unidos.