from 37' to 42', it is a repetition and can be removed. since it has been told in 22'-24'. better to say something like: 'oh, yes, it would be really embarrassing to stick his head into each lecture hall asking if it is the right one, however, blabla...'
24 in 30
from 37' to 42', it is a repetition and can be removed. since it has been told in 22'-24'. better to say something like: 'oh, yes, it would be really embarrassing to stick his head into each lecture hall asking if it is the right one, however, blabla...'