Fill in the articles "a" or "the" where necessary:(1)......professor is not (2) ..... teacher in (3)..... secondary school, but has (4) ...... highest academic postion in (5)..... university. (6)...... lecturer is (7) ...... university teacher. Lecturers and professors give (8) ...... lectures. Students in Britain usually have (9) ....... tutor who gives them (10)...... advice and teaches students in small groups. You graduate from university with (11) .... degree. If you do (12) .... postgraduate work, you will have (13) ..... supervisor to help and advise you.