Read the following passage and then answer questions 21 -25.
Maria lives with her parents in the same town. She is the youngest child in the family. Maria has one brother and two sisters. Maria, her brother and sisters go to school from Monday to Friday. They leave home at seven o'clock in the morning and come back at four o'clock in the afternoon.
On Saturday, the children help their mother to clean the house in the morning. In the afternoon they go out to play with their friends. When their father is at home, he tells them stories in the evening. Sometimes they sing songs, poems or read their story books.
21. How many children are there in the family? There are . . . . . . . . . in the family.