下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。
增加：在缺词处加一个漏字符号（∧），并在其下面写上该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写上修改后的词。
注意：1.每处错误及其修改均仅限一词； 
2.只允许修改10处，多者（从第11处起）不计分。
Last summer holiday, I go to Dalian with my parents. We traveled there on
air. Dalian is a very beautiful and modern city. In morning, we arrived at the hotel.
After breakfast, we began us tour. First, we took a bus to Sea Park. There were such
many different kinds of fish that I couldn’t believe my eye. Then we had lunch in a
restaurant. The seafood, which is well-known, was delicious. After lunch we went
swim. During this trip, we also went to another places of interest. Several days later,
we left for Dalian. We felt very happily. This was the reason why we didn’t feel tired.