1. I/ see/ Institute’s advertisement/ Today’s TV program
I saw/have seen your school's advertisement on Today's TV program.
2. I / be/ interested in / learn English
I am (very) interested in learning English.
3. I/ would like/ information/ your Institute
I would like to have some information about your school
4. I / want / improve/ reading / writing
I want to improve my reading and writing.
5. Could you please/ information/ length/ courses/ fees/ beginners?
Could you please give me some information about the length of the course and fees for the beginners?
6. I/ complete/ spoken English test/ necessary
I can complete my spoken English test if necessary.
7. I/ look forward/ hear/ you.
I look forward/am looking forward to hearing from you (soon).