1.   This professor constantly uses vulgar expressions.

2.   The professor used transparencies and an overhead projector during her lectures.

3.   A former professor of mine used to complain that niceness has become the chief American virtue.

4.   A history professor uses a wealth of statistics in recounting the many ways in which humans have altered the earth.

5.   Her hearing is not good enough to sit in the back of a lecture hall unless the professor is using a microphone.

6.   Instead, the professors use it to test whether their messages are getting across clearly.

7.   Let your college professor use the word first.

8.   Most professors are using an off-the-shelf template that computer experts say allows a user to build a basic Web page in just an hour or two.

9.   Other professors use the election as an opportunity to cover their academic niche.

10.   Plus it was inconvenient for professors already using different models.