阅读理解,根据课文信息,写出括号内单词的正确形式。
Dear Amy,
My name is Zhang Yuxiao. I'm a pupil. I ____(go) to the park last Sunday. I ____(see) some birds. They ____(sing) beautifully. I ____(eat)some food and ____(drink) some colas. It was fun. I had a good time last Sunday.