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1. I saw your school's advertisement on TV last night.
2. I am interested in learning English and I would like some information about your school.
3. I have studied English for four years but I want to improve my speaking and listening skills.
4. I am very grateful if you send me some details of courses and fees.
5. I am looking forward to hearing from you soon.

V/
1. Internet is now very useful for our life.
2. It is fast and convenient way to get information which is very update.
3. It is a cheap way to communicate with friends and relatives by means of e-mail, chatting or webcam.
4.  It provides a variety of entertainment such as music, movies, games, novels, magazines.
5. It is possible to use the Internet for education.
6. Students use Internet to connect with teachers to take their courses and talk about their problems through "online".