是a Sports Day还是Sports Day?

sports day如何读 sports day 中文 Do sports every day. 是I do sport every day 还是 I do sports every day 请说明理由, Sports Day is tomorrow l love Sports Day!Tim__________too.ko before sports day什么意思 She plays sports every day I play sports every day. She play sports every day sports day poster 啥意思? She palys sports every day ---- you------(play) sports every day