3 . 请你修改以下的每个句子，每句有1处语言错误，错误涉及一个单词的增加或修改。
增加：在缺词处加一个漏字符号（∧），并在此符号下面写出该加的词。
修改：在错的词下面划一横线，并在横线下面写出修改后的词。
注意：每处错误及其修改仅限一词。
1. As we all know, Italy is an European country.
2. If a person always behaves proper, he will find it hard to realize his dream.
3. Margie shows a very positive attitude of her work.
4. The mother insisted on that he finish his homework first, which made his son very angry.
5. I am determining to change my job. No one else can change my mind.
6. I don't care the price, so long as the car is in good condition.
7. We went to bed this evening around 10:30 p.m. as a usual.
8. A number of wild animals has been found in the forest.
9. Tom is the first boy who left the room.
10. The rescue team has saved more than ten people trapping under the collapsed buildings since the earthquake occurred in Tangshan.