2 . 单句改错
1. My son, who is a 18-year-old young man, now is a university student.
2. We may be one family and live under a same roof.
3. The production now is four times that it was ten years ago.
4. The experiment was much more easier than we had expected.
5. He had an astonishing look on his face when he heard the news.
6. It becomes the colder and colder when winter comes.
7. The old man caught the boy by his arm.
8. These documents are not accessible by the public.
9. He studied hard every day, aimed at passing the exam.
10. About 80 percent of web traffic are in English.

3 . In my hometown there used to be ________ heavy rain now and then, and the river around ________ town rose a lot after the rain.

A．a, a

B．/, /

C．a, the

D．/, a

4 . 请修改下面的句子，每句中只有一处错误。错误涉及一个单词的增加，删减，或修改。
增加：在缺词出加一个漏字符，并写出该加的词。
删除：把多余的词用些斜线划掉。
修改：在错的词下划一横线，并在该词后面写出修改后的词
1. When my English teacher stepped into the classroom, I was surprising to see the same man I had met earlier.
2. “Nice to know we share same name,” said my new teacher.
3. I have too many homework to do.
4. Although I was embarrassed, but his words made me a lot more relaxed
5. But it all depend on what you do.
6. English is difficultly to learn.
7. He finished her homework yesterday.
8. Everyone started laughing. I looked at them for panic.
9. A dog has four foot.
10. I tried to turn off my brain but the engine just wouldn’t start.

6 . The woman who used to be in ________ charge of a big company is in ________ charge of a nurse at present.

A．the；不填	B．the；the
C．不填；不填	D．不填；the

7 . I patted him on ________ shoulder, saying in ________ encouraging voice, "You can do it!”

A．the; an

B．his; an

C．the; /

D．his; /

10 . It is well-known that ________ year 2020 saw many developments in ________ science and technology, with those in the field of space science being particularly notable.

A．/; /

B．/; the

C．the; the

D．the; /