I believe It’s the last one so you have it correct.
<h2>Correct Answer:</h2><h3>Ustedes pondrán</h3>
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<h2>Explanation:</h2>
We use the Spanish simple future to talk about what<em> will </em>or <em>shall</em> happen. It is also used to talk about the possibility of what someone <em>may </em>or<em> might</em> be doing in the present. The verb poner translates into to put in English. The subject pronoun ustedes means you all, so the conjugation of the verb poner that matches ustedes is pondrán.
Answer:
1. How long have you known your best friend? I have known my best friend for fours years now.
2. How long have you been attending your school? This is my first year attending my school, I am a freshman.
3.How long have you lived in your house or apartment? I have lived in my house my whole life (14 years).
4. How long have you been a member of a club or do you play a sport? I have played basketball for six years now.
5.How long have you been participating in an extracurricular activity? I have been doing extracurricular activities ever since I was a toddler.
Answers in spanish:
1: Conozco a mi mejor amiga desde hace cuatro años.
2: Este es mi primer año en mi escuela, soy un estudiante de primer año.
3. He vivido en mi casa toda mi vida (14 años).
4. He jugado baloncesto durante seis años.
5. He estado haciendo actividades extracurriculares desde que era un niño pequeño.
Explanation:
Hope this helped!