Please help SPANISH MIDTERM

Cuando yo blank ocho anos, fui a la playa con mi familia

Can someone answer this pls ill give brainliest both ser and estar mean ‘to be’. in what situations do we use estar? estar, venir, and ir are considered irregular verbs. what makes a verb “irregular”?

Decide whether the sentence is grammatically correct or incorrect as written.¿preguntas una chaqueta nueva para la navidad?