看一看这篇英语短文有什么语法错误

还好吧,就是单句太多。可以用一些复杂的句子。Children's DayToday was Children's Day。My classmates and I were very happy。In the afternoon,we had great fun playing in the classroom。We watcheda cartoon movie,Conan,which was really interesting。And we ate much food。It tasted delicious。Then Mr He played a magic for us。It was very great。We are very excited and astonished。Today I was very happy and really relaxed。