Although early-season stutters have left them too far adrift of Barcelona in La Liga, the club's long-held ambition of regaining Europe's top prize remains in sight.
"This is possibly the best form that the team has been in this season," Ronaldo said. "We have a full squad with everyone available and that is very positive news, the coach can pick the best team.
"We have to respect his decisions. In football many things are possible, we have to have the desire to win because it gives us a morale boost for the Champions League."