假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文。文中共有10處語言錯誤，每句中最多有兩處。每處錯誤僅涉及一個單詞的增加、刪除或修改。

增加：在缺詞處加一個漏字符號（∧），并在其下面寫出該加的詞。

刪除：把多余的詞用斜線（＼）畫掉。

修改：在錯的詞下畫一橫線，并在該詞下面寫出修改后的詞。

注意：1. 每處錯誤及其修改均僅限一詞；

1

When I walked into the classrooms， the teacher was handing out the test papers. I was feeling very nervously. I didnt study at all at the weekend as I had thought it would be easy test. I went through the test many times but I could only answer three out from the twenty questions. I did not want to fail the exam. Then， I put my book under my desk， opening it and started looking for the answers. The teacher wasnt looking at me， but I copied something. Suddenly， I felt a hand on my shoulder！ The teacher caught me cheat. I dont know how to say. Unluckily， the teacher did not punish me for cheating but， instead， give me a second chance.

2

We know the turning of the earth makes a sun and the stars seem to move across the skies. Daylight， of course， begins with the sun rising in the east and ends with the sun set down in the west. Being highly in the sky， between the two positions， the sun has traveled quarter of the journey and half of the daylight hours have been spent. However， by noticing where the sun stands in the sky， man in the old days learned how to tell the time of the day. At night， as the stars observed， man could also knows the time.

3

Dolphins are not fish nor warm-blooded animals. They live in group， and speak to each other with their own language. In this they are like other animals， such as bees or birds. But dolphins are very difference from almost all land animals. Their brain is near the same size with our own and they live a long time—at least twenty or thirty years. Strangely， dolphins seem to be like man. And for thousands of years there have stories about dolphins and

its friendship with people.