根据首字母拼写单词，完成短文。
I have been to the Country Park many times. I think the Country Park is a b____ place for people to v____. There is a big l____ in the Country Park. We can go boating there. We always have a good t____ in the park. There are a lot of nice b____ in the park. They fly in the park and s____ in the park. How beautifully they can sing.
