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：每处错误及其修改均仅限一词。每题仅有一处错误。
1. Mark is a genius. By the time he graduated, he had offered jobs by a couple of computer companies.
2. Emojis, dated back to the 1990’s, are small symbols representing ideas, emotions or feelings.
3. Phone boxes are hard to find, and the main reason for this is simply because we don’t need them any more.
4. To make advertisements attractive, huge amounts of money is spent in applying modern design techniques.
5. Henry was happy to withdraw from social life, seeking a harmony relationship with nature in his quiet life.
6. They are putting innocent lives in risk by starting boundary conflicts.
7. I find this impossible to cooperate with him for mutual benefits.
8. There is an urgent need for people in developing countries to have an access to drinking water.
9. The tourist industry is vital importance to the national economy.
10. The author provided some supporting arguments to make the point convinced.

4 . 单句改错
1. In spite of the first two failures, he tried the third time .
2. The good thing about children is that they adapt very easily with the environment.
3. The search was called off for the sailor who was disappeared in the storm.
4. This is unlikely that he will arrive before dusk.
5. Do you know when the new Marriage Law came into exist.
6. From his confusing look, we could see that the professor hadn’t expected that we could raise such confusing questions.
7. Hannah is one of many examples of young people who are making difference in the world. You can, too.
8. In common to many other boys, he likes computer games.
9. The tower is still in good condition, dated back to the 1860s.
10. In the next few years, the robots take the place of human beings in many ways.

9 . 单句改错
1. I found the story excited.
2. Interesting in English, she learns it very well.
3. The surprising look on his face suggested that he hadn’t expected what would happen.
4. He got up such early this morning that he got to school ahead of other classmates.
5. All the afternoon he worked with the door locking.
6. Jim went into the room silently to avoid seen by the teacher.
7. She was very sick; as a result of, she could neither eat nor sleep.
8. As a new driver, I have to practice park the car in my small house.
9. The stone can be used to building a new palace.
10. It is such fine a day that I want to go out for a walk.