Answer:
<u>1. oír</u>
<u>2.asistir</u>
<u>3. ver</u>(Without "interesante" you'd use jugar instead of ver. Try not to get confused)
<u>4.pagar</u>(I think, I didn't really understand either word in the sentence :/)
<em>The answer would be: </em>
C. ¿Ibas a la playa de niño?
What is the man doing? The man is swimming in the pool. The man is doing cycling in the pool. Man is hiking in the pool. The man is running in the pool.
100 dolares is the answer<span />