15 -
picture 1:
this family likes to cook during the day.
picture 2:
in this picture we see a man and a woman. the woman is cutting a log and the man is supposedly reading a newspaper.
picture 3:
in this picture we see a family showing us their vegetables.
picture 4:
in this picture we see a little girl standing in front of a sink, most likely trying to fill in the cup that is in her hand. or the pot that is nearby.
И для упражнение 16 надо вам страница 9 и 18, как сказано.