1 . 下面每句一个错误，请在有错误的地方增加、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. Curiously, we looked around for other guests.
2. My deskmate is a girl whom we can get along easily.
3. That was the reason why he gave for his absence.
4. There was nothing else to do, we went home.
5. Quantities of food was spread out on the table.
6. Zheng He had over 300 ships, some of them were over 150 meters long.
7. I noticed the heavy objects went down more quickly than the smaller, lighter ones.
8. Eric the Red was forced to leave Iceland because he committed a murder, for which he got into trouble.
9. When he decided to set sail further west, there were 10000 Vikings live in Iceland.
10. Leif followed Biarni’s directions and sailed to where is believed to be the coast of present-day Canada.

2 . 单句改错
1. Actually, I start to learn kung fu when I was seven years old, but/yet I have long been out of practice.
2. For example, every morning, my dad has to have a bowl of egg soup while I had to eat an apple.
3. My dad don’t like the soup and I don’t enjoy apples.
4. During my last winter holiday，I went to the countryside with my father to visit my grandparents.I find a big change there.
5. Still I unwilling to play the game with them sometimes.
6. It was Monday morning, and the writing class had just begin.
7. I didn’t realize how right my parents are until I entered high school.
8. The classroom is a place for learning and that include learning from textbooks, and mistakes as well.
9. Though it may appear simple, it required a lot of ideas and efforts.
10. The most excited activity was the fishing competition, during that I won the first prize. We all had a good time there. When we return in the afternoon, it was already five o'clock.

3 . 单句改错
1. If it won’t rain, we will go to visit the zoo.
2. The new secretary will supposed to report to the manager as soon as she arrives.
3. When I was at college I spoken three foreign languages, but I had forgotten all except a few words of each.
4. The police found that the house has been broken into and a lot of things stolen.
5. The volleyball match will be put off if it rain.
6. Mary is making a dress when she cut her finger.
7. This is the first time I had been here.
8. You can join the club when you will get a bit older.
9. Mother promised she will buy me a bike.
10. ---- We could have walked to the station. It was so near.

---- Yes. A taxi wasn’t at all necessary.

4 . 单句改错
1. One of the questions are: Who will you go in times of trouble?
2. That's our view on housework. And hopes this can inspire more thinking on the topic!
3. I also water the flowers in the yard and tidying up my own bedroom whatever necessary.
4. Actually, I start to learn kung fu when I was seven years old, but I have long been out of practice.
5. Those who held mentally stimulating (刺激), demanding jobs before retirement tended to do the best on the tests.
6. I start reading books on my own before age 5 and my mother took me to the public library once a week to borrow several books.
7. A retired engineer, 76­year­old Wilson has been offered free rides to college students for the past eight years.
8. I hoped to send Peter a gift to congratulate him on his marriage, but I couldn't manage it.
9. I didn't realize how right my parents are until I entered high school.
10. During my second year at the city college, I told that the education department was offering a “free” course, called Thinking Chess, for three credits.
11. I found the pre­holidays a good time to encourage young children to donate less­used things, and it works.
12. Anger seems simple when we were feeling it, but the causes of anger are various.
13. The global population expected to grow to 9.6 billion by 2050, and some analysts estimate that food production will need to be raised by 50 percent to maintain current levels.
14. In America the demand for oil had grown by 22 percent since 1990.
15. When a dark­colored cake was served on a black plate rather than a white one, customers recognize it as sweeter and more tasty.