解析：
　　1. "Is honesty out of date?" many people asked. In my opinion, the answer should be"no" because honesty is not a simple social phenomenon, but a kind of humanity which is rooted in our mind.

　　2. And then there is no need to worry whether you'll be lost in a strange place, if you have a cellphone, especially, in some urgent situations.

　　3. There are other functions about cellphone, for example, time-schedule.

　　4. First, we all know that cosmetics always contain complex chemical elements to which many people will be allergic.

　　5. First of all, cellphone serves as a convenient way of communication, since it allows you to chat with others on the phone whenever you like.

　　6. First, people deal with wastes carelessly. They pay little attention to the result of the wastes. Second, it is due to the development of industries.

　　7. In my opinion, honesty becomes more and more important in recent society. At the same time the society competition becomes more and more fierce.

　　8. We can do a lot of things to entertain ourselves in spare time, like reading, and listening to music.

　　9. Personally speaking, friendship is an in-depth relationship combining trust, support, communication, understanding, empathy, and intimacy, including aspects of life that all of us crave.

　　10. Thus, could I make a piece of advice to you that the price of food be reduced?

　　英語的句子雖然結構多樣，但都是由基本的句子結構演化擴展而來。如果句子不符合基本的句子結構要求，缺少必要成分或者將從句或短語誤當作句子，就不能表達一個完整的意思。由于英語和漢語的表達方法和習慣不同，成分殘缺是中國學生在英文寫作中容易出現的問題。

　　鞏固練習：改正句子。

　　11. It will please the eyes and mind of others so that produce an excellent impression.

　　12. There is still something that not so satisfactory.

　　13. The wicked always panicky, while the good always faces the reality with a smile.

　　14. Always, I dream about the childhood which including happiness and sadness.

　　15. I drove slowly past the old brick house. The place where I grew up.

　　16. Before I turn on the microwave oven. I have to turn off the overhead light in the kitchen. Otherwise the fuse blows.

　　17. My mother likes watching daytime television shows. Especially old movies and soap operas.

　　18. I wonder now why I have to learn certain subjects. Such as Geometry.

　　19. Every other day, Kara runs two miles. Then does fifty sit-ups. She hasn't lost weight, but she looks slimmer and more muscular.

　　20. I like all kinds of fresh pizza. But refuse to eat frozen pizza. The sauce is always dried out, and the crust tastes like leather.

　　解析：

　　11. It will please the eyes and mind of others so that it may produce an excellent impression.

　　12. There is still something that is not so satisfactory.

　　13. The wicked always panic, while the good always face the reality with smiles.

　　14. Always, I dream about the childhood with happiness and sadness.

　　15. I drove slowly past the old brick house where I grew up.

　　16. Before I turn on the microwave oven, I have to turn off the overhead light in the kitchen. Otherwise the fuse blows.

　　17. My mother likes watching daytime television shows, especially old movies and soap operas.

　　18. I wonder now why I have to learn certain subjects, such as Geometry.

　　19. Every other day, Kara runs two miles. Then she does fifty sit-ups. She hasn't lost weight, but she looks slimmer and more muscular.

　　20. I like all kinds of fresh pizza, but I refuse to eat frozen pizza. The sauce is always dried out, and the crust tastes like leather.