1.   And she saw the big staircases leading up to the libraries and the lecture halls.

2.   Five hundred people filled the lecture hall.

3.   He lingered outside the lecture hall, hoping for a chance to talk to her.

4.   He looked out into the lecture hall and saw one hundred and seventy pairs of eyes staring back at him.

5.   In the excitement as the applause commenced, nobody had noticed Stafford slipping out of the lecture hall.

6.   Painters and sculptors began looking for inspiration in spontaneity and primitive feeling rather than in the lecture halls of traditional learning.

7.   Professor Brightly walked into the lecture hall with a pile of dog-eared notes under his arm.

8.   She put a table in front of her to see how she would look from the lecture hall.

9.   The lecture hall was jammed when Stafford deliberately arrived at the very last moment.

10.   The lecture hall was packed.