单句改错（共１０小题，每小题1分，满分１０分）
下列各句中每句有一处错。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：在错的词下画划一横线, 并在该词下面写出修改后的词。
注意：每处错误及其修改均仅限一词。
1. Remove clothing using scissors if necessary unless it stuck to the burn.
2. But he became inspired when he thought about helping ordinary people expose to cholera.
3. To prevent this from happening again, John Snow suggested that the source of all the water supplies was examined.
4. I still cannot believe that I am taking in this prize that I won last year
5. Meanwhile, you have to prepare the next question depend on what the person says.
6. He made very positive contribution to the success of the project.
7. Someone broke in the office and got some important information from the computer of the boss.
8. Hardly have I reached the bus stop when the bus started.
9.Ifoundthetablecoveringwith dust when I came back.
10. The price of vegetables vary with seasons.