topic sentence is a sentence that expresses the main idea (main idea) of this paragraph may be placed beginning, middle or end of a sentence, usually in the early paragraphs.
Topic sentence is sentence shown the main idea (main idea), paragraphs may be placed early, middle, or at the end of the sentence, typically in the paragraph.
Topic sentence is a sentence that shows the main ideas (main idea) of the paragraph might have placed the middle or end of a sentence. Typically the beginning of a paragraph