Ответ:
To answer this question accurately, I need the text from page 7 about the "Teenage Life Swap." The text will contain information on how the girls help with household chores, either on the farm or in the city.
Once the text is provided, I can extract the relevant information to answer how the girls contribute to the household.
Once the text is provided, I can extract the relevant information to answer how the girls contribute to the household.
