1. John Bookmeyer is a versatile, well-rounded boy. In addition to singing in his church choir, he is a drummer in a small combo. He maintains a high average in his subjects at school and still manages to play football and run on the track team. Although he is very popular with other young people, he doesn't let his social life interfere with his weekend job at the drugstore.
Topic sentences: John Bookmeyer is a versatile, well-rounded boy
Because the text talk about Jhon and his skills

2. The first thing I noticed about the school was the litter in the schoolyard. Trash and paper were scattered everywhere. The building, which could have been very attractive despite its age, was dingy and dirty beyond belief. A window -pane was broken out of the main door, and the door itself led into a dark, for bidding hall. As I walked down the hall, I noticed the messy bulletin board and, in several places, writing on the wall. No one greeted me when I entered the outer office, although a receptionist was sitting there noisily chewing a huge wad of gum and putting on fingernail polish. All in all. I couldn't help feeling that the school was poorly cared for.

Topic sentences: The school was poorly cared
Because in the final part of the text, the author, reduce all the text in this idea.

3. Through the fog the arc lights high above the stadium looked like small moons from the field below. The lights were reflected all over the marshy field in pools of water, an accumulation of twenty four hours of steady drizzle. Despite lengthy warm-up drills, the players now felt the cold and dampness beginning to penetrate. They were either huddled together or dancing up and down to keep warm-- that is, all except our first-string quarterback and our all-state offensive end, both of whom were out of the game with injuries. They sat glumly on the bench wrapped in soggy woolen blankets, Conditions could hardly have been worse for this crucial game.

Topic sentences: Through the fog the arc lights high above the stadium looked like small moons from the field below.
Because it is the reason for the other part of the text and the author introduce the topic
with this phrase.