<P> In expository writing , a topic sentence is a sentence that summarizes the main idea of a paragraph . It is usually the first sentence in a paragraph . </P>
<P> In expository writing , a topic sentence is a sentence that summarizes the main idea of a paragraph . It is usually the first sentence in a paragraph . </P>
what is the topic sentence of an essay
what is the topic sentence of an essay
sentence that summarizes the main idea of a paragraph
sentence that summarizes the main idea of a paragraph