Storylines for series 9

[Tea Lady]

I wouldnt have thought they would have Ros survive the explosion to only kill her off at the end of 9.1. What would be the point in that unless it's to catch us off guard. We wouldnt be expecting that would we....Mmmmmm?? If shes in series 9, I would imagine her to be in it for a large part of the series. Actually I think that's more me hoping than anything else.