补全对话。 Clark: What events do you ____1____ at your school? David: We have an English Speech Contest each year. Clark: ____2____ is it? David: It's March 5th. Clark: Do you have ___3_____ Art Festival? David: Yes. It's March 17th. ___4___ we have a basketball game on March 10th. Clark: When is your School Trip? David: It's April 6th. Clark: Is Linda's birthday ___5___in April? David: Yes. It's April 18th.