选词填空，补全短文。

It's time to  (say/ said) goodbye to our school. We  (going/ are going) to the middle school, please don't forget me. This Sunday we will have a farewell  (party/ class). At the party, we are going to  (sing/ sang) songs and  (play/ played) games. We are going to  (eat/ have) candy and juice, too. We'll give many  (prize/ prizes) to our good students. (Who/ How) helped others? Who  (study/ studied) hard? Who wrote the  (best/ good) story? It will be great fun. See you at the party.