3. A: people are there in your family?
B: There are 4 people in my family.
A: How many people are there in your family?
B: There are 4 people in my family.
A: ½Ä±¸ ¸î ¸íÀÌ¿¡¿ä?
B: 4¸íÀÌ¿¡¿ä.