I want to be a doctor because I think the advantage of doing this is the career I will be able to help others and be helped anywhere at any time and it is a career that benefits the people.
I want to be a doctor because I think that the advantages of this job is that I can help others and help at any time, and as a career can be beneficial to various people.
I want to be a doctor, because I think the advantages of this job is that I will be able to help others and can help anytime and career is useful to the people.