I'm not sure this is a question its just a statement.
I think that the answer is d) hacer surf
<span>the question like this is called assumptions, but the assumptions have to be proved by experiments and prove to be the best, but generally in science, theories might change from time to time, so in science, it is necessary to prove the hypothesis, not just by putting up the theories.
hope this helps </span>
1.mi amiga habla con migo. (<span>¿Quién habla contigo?)
</span>2.yo estudio con ella todo los dias. (<span>¿Cuándo estudias con ella?)
</span>3.yo escucho musica con ellos. (<span>¿Qué escuchas con ellos?)
i hope this is right.</span>