D. to express the central idea of a paragraph
A topic sentence serves to introduce and convey the main idea or central point of the paragraph, guiding readers on what to expect in the subsequent sentences.
What is the purpose of a topic sentence in a paragraph?
A. to explain where readers can find more information about the topic of a paragraph
B. to provide evidence for the ideas in the paragraph
C. to describe the most important details that will be included in the paragraph
D. to express the central idea of a paragraph
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