Uzupełnij luki 1-3 przekształcając wyrazy podane w nawiasach.

Our interest in possessions starts in early childhood although children tend to have quite a/an ¹..... (MATURE) view of ownership. They see the first person to be in possession of something as being the owner, and will become very ²..... (UPSET) if they are asked to give an object away or share it. Kids will also feel ³.....(ENVY) of other children's toys.