Is the verb in the sentence an action verb, or a linking verb?
"they rode the surf into shore with as as much enjoyment as the young."
also whats the direct object and what question does it answer

Rode is an action verb. The direct object is surf because it answers what they rode

It could be 1, 2, or 4, depending on the context.1.) they could have had a fight, and she is too humble to say anything further. she wants robert to say something first.2.) maybe he's staring at a computer playing tetris while she's wearing a *really* tight red dress. just sayin' xd3.) is unlikely given that it's only one sentence worth of context long. 4.) it's possible their relationship is more 'mutual hatred' and they tolerate one another.it could be 1, 2, or 4, as long as you can provide sufficient explanation why. remember this as you write!