英语片段改错，高手来

Several days before, a few of my friend and I went on a picnic on the beach of the Jialing River. It is about five miles far from the city. We played an interesting game. Those which were on the beach had some other activity. Some of them even sang and danced happy. There were still others who were interested in nothing. except picked beautiful stones. In the evening, we returned home. How a happy day it was! （10处错误，标个号）

1.Several days before 改为 Several days ago.

2.my friend 改为 my friends.

3.an interesting game改为 some interesting games.

4.some other activity改为 some other activities.

5.sang and danced happy 改为 sang and danced happily.

6.except picked beautiful stones改为 except picking beautiful stones .

7.How a happy day it was 改为 How happy a day it was.

Several days before, a few of my friends⑴ and I went to⑼ a picnic on the beach of the Jialing River. It was⑵ about five miles away⑶ from the city. We played an interesting game. Those who⑷ were on the beach had some⑽ activities⑸. Some of them even sang and danced happily⑹. There were still others who were interested in nothing. except picking⑺ beautiful stones. In the evening, we returned home. What⑻ a happy day it was!