1 . 假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10 处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
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。

It was fine but sunny last Sunday, so my parents suggested go to Dashu Mountain for a picnic. As the temperature was not too high, we decided to go there by a bike. We were chatting and laughing all the ways. At about 10:30 am, they arrived at the mountain foot. After a short rest, we began to have our lunch, that was very delicious. During the picnic, we sang and danced merry. At about 1:30 pm, we begin to climb the mountains. We saw beautiful flowers and heard birds singing sweetly. We picked a lot wild fruits, too. It was a wonderful experience. At the end of the day, we all felt tiring but really happy.