用适当的词完成这篇短文，每个空格只能填写一个形式正确、意义相符的单词。

It was 1^st .  I went to Hainan with my parents. We went there by train. We went   in the sea（海）. Look at the third picture, we had a rest there. It was , and we were very happy. Then we went to some seafood for lunch. It was not   , so we didn’t like it! This is our trip to Hainan.