One hundred years ago, school teachers were expected to provide a variety of services in addition to their teaching duties and to comport themselves in an exemplary manner. They cared for the oil lamps, tended the fire, and supplied their students with sharp pencils. After a long day in the classroom, they were expected to spend some time every evening reading the Bible. Women teachers could not marry and barbershops were off limits to men teachers. Of course, alcohol and tobacco were forbidden.

Q. Write on the lines below the two groups of words from the topic sentence which express the two parts of the main idea.