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假如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。老师已用横线划出了同桌可能错的10处语言点，请在对的语言点右边的横线上打“✔”。如语言点出错，请把正确的答案写在右边的横线上。如需添加请在右边横线上写“词前或词后加xx”。如语言点多余，请在右边横线上写“删除或去掉。”
例：We often visit the museum last year.                         答案： visited
I am glad to know you are interesting in Chinese idioms. Now                1．
I’d like to explain what the idiom “Shou Zhu Dai Tu” mean to you.             2．
In ancient times, a farmer happened to seeing a dead rabbit under            3．
a big tree near his field, which probably had run into the tree by the                4．
accident and was killed immediately. He was happy to pick it up and
cooked it for dinner. He expected this would happen to another rabbit.         5．
But he stopped working and waited under the tree from that day.                 6．
Unfortunate no more dead rabbits were seen and his farmland                    7．
was waste.                                                         8．
This idiom is used to describe anyone who wants to get something            9．
for nothing. But I think we should always work hard to get that we want.         10．