承上启下，使表达合乎逻辑

People lean English to use it, Some learn it so study or work abroad. Others learn it to read books and magazines in English or have something to do with English-speaking foreigners.

改进为:People learn English for practical purposes: some learn it to study or work abroad, while others learn it to read or communicate in English.

Thesis statement & Topic sentence

Thesis statement

1. Media violence exerts a negative influence on children.

2. Media violence affects children by: increasing aggressiveness and anti-social behavior; making them less sensitive to violence and to victims of violence; and encouraging their appetite for more violence in entertainment and in real life.

a. The universities are expanding the enrolment. .

b. Can you imagine life without water?

c. I believe that it is possible that the increasing number of cars could have a negative influence on traffic.

d. In this article I will talk about cohabitation among university students.

e. All businessmen are foxy.

Topic sentence

1. Smoking is bad.

Smoking is harmful to health.

2. Carrie is a wonderful mother, and I think she needs to get a new car.

Carrie is a wonderful mother, but she endangers her child by driving that old Pinto.

3. There are three kinds of ice cream in this café.

There should be more varieties of ice cream in this café.

4.What makes a good teacher? A good teacher should be responsible, knowledgeable and understanding.

Why I came to college

Why have I chosen to attend college? I have put this question to myself at many times and in various forms during the past three and a half months which have constituted the first semester of my freshman year. Have I come because of parental influence, or because I have some goal of