听下面一段独白，回答以下小题。
【小题1】Why does the speaker organize the activity?

A．To prepare for Children’s Day.

B．To celebrate the end of the school year.

C．To welcome children in the neighborhood.

【小题2】What is the activity for children about?

A．Looking for the hidden gifts.

B．Hiding around the center.

C．Having a group discussion.

【小题3】What are the children required to do before going out?

A．Find the flags.

B．Write their names down.

C．Stay together with their parents.

【小题4】Who will go to the other side of the center?

A．The preschool children.

B．The third-grade children.

C．The fourth-grade children.