I think it is a fragment sorry if I’m wrong.
riding my bike down a steep hill
Answer: The Three Big Questions strategy challenges readers to annotate in the margins by marking passages that answer the questions: "What surprised me?", "What did the author think I already knew?", and "What challenged, changed, or confirmed what I already knew?".
Answer: A topic sentence is a thesis if you didn't know, It mostly summarizes what the following article or paragraph you are writing.
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