Final answer:
A topic sentence introduces the general idea of the paragraph, connecting it to the overall thesis of the essay.
Step-by-step explanation:
The function of a topic sentence is to introduce the general idea of the paragraph. It acts as a roadmap for the reader, giving them an indication of what to expect in the paragraph. A topic sentence should be clear and concise, capturing the main idea of the paragraph and connecting to the overall thesis of the essay.
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