Answer:
A good topic sentence is specific enough to give a clear sense of what to expect from the paragraph, but general enough that it doesn't give everything away. You can think of it like a signpost: it should tell the reader which direction your argument is going in.Restate the big idea of the topic sentence using different words or a different order. Think about your message. What do you want your reader to know or understand and introduce that idea in one sentence. Summarize the big idea of the paragraph without repeating the exact same words.
Explanation:
Here are some examples: Topic Sentence: There are many reasons why pollution in ABC Town is the worst in the world. The topic is "pollution in ABC Town is the worst in the world" and the controlling idea is "many reasons."
