Read the following sentences from “crossroads: a sad vaudeville.” man. but you only speak nonsense! i should warn you that although i’ve an inclination towards romantic things, i’m a man who isn’t by jokes in bad taste. which of the following words best describes the speakers tone? offended judge mental aggravated pleading

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.