Sara
Your imaginary painting is interesting as dream you had, it is very intense painting and feel like tension of moment, it is a physiological and Psychological too. You express something you see and something you don't see, which is very interesting, good.
Serena
Your painting of figure with dress is good especially the dress you paint as your abstraction of line and shape, that make sense of your originality and came out nice too, you will finish the face next week and become nice painting.
Tiziana
Your study of landscape getting better as more three dimension and complicated perspective but important for landscape painting to show air between the subjects, you will work on more to finish nice landscape painting.