Let's see if we can't work in some of the things we have been talking about in the following response:
The professor in question undoubtedly extricated himself from the horns of this particular dilemma by making fun of the student and his funny grasp of what was expected of him, which was more fun for the cruel professor than it was for the student.
From my standpoint, one of the best ways to learn English well is to join EC forum regularly. Read more and write more, write anything. Don't worry that your sentences are not good or have dictation errors