1 . 下列每句话中都有一处错误。错误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：在错的词下面划一横线，并在该词下面写出修改后的词。
注意：1. 每处其修改均仅限一词；
2. 只允许修改10处, 多者（从第11处起）不计分。
1. Though they are tired, the rescuers are still in search the missing people in the flood.
2. You can telephone me every a few days, and in that way we can keep in touch with each other.
3. After school, the students walked out of the classroom one after other.
4. They left without leaving a message, that was more than we had expected.
5. It is well-known, China is rich in natural resources.
6. We haven’t seen him again ever since he has left the city.
7. He set us a good example and was thought high of by all the teachers and students in our school.
8. It was not until she got home when Jennifer realized she had lost her keys.
9. Some pre-school children go to a day care center, which they learn simple games and songs.
10. In their opinions, you are making a huge mistake.