Look up a job that you want to have after college, write a letter of interest to a prospective employer listing:
Who you are?
What skills you have that are relevant for this job?
Why you are interested in the job?
How will you be an asset to the job?
The cover letter should include the date, the name and address of the employer, the answers to the above questions, and should be signed sincerely, your name.
I want to be a doctor after college.