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。
Knowing how to do in case of fire is important. If a fire break out, what would you do? First, you should warn everyone in the building about the danger. Don’t panic or start shouting. Be calmly and act quickly. Second, you and all the others should be get out of the building. Don’t stop take anything with you. Once you are out of the building, stay out. Do not go back for some reason. Finally, when you are out of the building, calling the fire police. Don’t try to put off the fire yourself. That can be dangerous if you do.
To my joy,everyone agreed with my proposals at the meeting.
I hear that Tom’s back was injured badly by a fallen tree.
One day I told Mr Wang,our math teacher,was ill. 61.________
I was worried about him and went to see him after the school. 62.________
When I enter his room,he struggled up to welcome 63.________
me.I let him lay down again.Mr Wang looked pale. 64.________
I asked about his trouble.He said he was having 65.________
a bad cold.Then he had a bad cough.After take some 66.________
medicine he was getting better.He asked me that we 67.________
liked the teacher who took place.When he heard 68.________
everything was all right,I could see he was pleasing. 69.________
Finally I asked him don’t to worry about the work 70.________
and have a good rest.
You should have done your homework by this way.
The European are not all fond of tea.