. package there overnight. You might be asked on a standardized test, “What is the main idea of this reading? ” For this passage, you might be tempted to answer: “the post office.” But you’d be wrong. This. subject of that pas- sage. Knowing all that, you can answer the following question even without reading a passage. Practice 1 2. Which of the following sentences is general enough to be a topic. Notice that the topic sentence is found at the end of the paragraph. – FINDING THE MAIN IDEA– 29 Practice 3 Among the following eight sentences are two topics sentences. The other sentences are