用括号中所给词的正确形式填空。

    Many people don't like summer, because it's so hot. But I do like it. In summer, I enjoy (stay) in water, so I often go to swim.

    I think (swim) makes me feel relaxed and peaceful. I prefer to swim in the sea, and it's so cool for me. I never forget (see) the sea for the first time when my family went to Sanya for a trip. I was so excited that I jumped into the water at once. However, I couldn't swim at all. From then on, I started learning to swim. In order to swim well, I kept on (practise) hard in the swimming pool. Now I can swim very well, and I am very happy. I look forward to (go) swimming in the sea more often. And I hope I can swim better in the future.