38.Our school starts on August 31st.This school year we have lots of activities (活動).We have our School Day on September 6th.We have a volleyball game and a basketball game.They are on October 7th and November 18th.We have two festivals.They are an art festival on November 29th and a music festival on December 14th.We have two activities for students and their families.They are Parent Weekend (周末) on February 15th and Home Party on March 17th.We also have an English speech contest on April 8th.And we'll go on a school trip on May 11th.
(1)How many activities does the school have?
(2)Does the school start on August 31st or September 1st?
(3)What activities are in October?
(4)When can the parents join in the school activities?