Repaso de comparativos y superlativos

Repaso de comparativos y superlativos:

1) Marca con w si es error o con r si es correcto

a) This car white is expensiver than red one          (w)  

b) The dress yellow is prettier than green one        (r)

c) The shoes brown are comfortable than black ones  (w)

d) The jacket purple is warmer than orange jacket (r)

e) This jeans are more expensive than one (r)