Hi, 

Re: Exercice: Altamira Spanish dictation exercise

At:https://spanish.kwiziq.com/my-languages/spanish/exercises/judge/270/457388?response=61219&;page=2

Line: Kwizbot no puedo esperar a ver todas esas pintura rupestres. 

You         no puedo esperar a ver todas esas pinturas ropestres.

Could you explain why there is no “S” on pintura.  Is this a special case? if so what lesson would attach to this? 

Thank you,

Nicole