A topic sentence can be stated or implied. A topic sentence that is stated is a part of a passage that can be found where the main idea or points can be identified. An implied topic sentence, on the other hand, is a sentence that is being made or composed by the reader which cannot be found in the passage.
Among the following choices, the sentence fragment is going to be: B. High up in the willow trees in the springtime. Hope that helps.
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Think of the main idea as an —umbrella“ idea. It is the author's primary point about a topic. All other material in the paragraph fits under the main idea. In a paragraph, authors often present the main idea to readers in a single sentence called the topic sentence.
Answer: Harry, who is a boy wizard, lives with the Dursleys's who treat Harry like garbage. They make fun of him, forget his birthdays on purpose, they punish him for unfair reasons, and he lives in cupboard under the stairs. Until, one day, Harry found out about his magical abilities-He could take to snakes! A few days later, Harry got a letter from a strange place he never heard of before...Hogwarts. The Dursleys tried to stop him from reading them but the more the interfered, the more letters came.