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The supporting sentence that makes use of an example is:
Beto used interval training to prepare for and win a marathon.
In this excerpt, the first sentence is the <em>topic sentence</em>, which is the sentence that contains the main idea. The second sentence is the supporting sentence that gives the reader further information about the topic. In the third sentence, the writer gives a specific example to support the main idea. Finally, in the last sentence, the writer provides factual information to make the topic sentence more relevant.
Answer:
1. Firstly, a claim or statement that summarizes the main idea
2. and secondly, reasons why that claim is true, and/or evidence to support that claim.
Explanation:
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<span>There are many advantages of written communication like its easy to preserve and keep the data of written communication for future reference or record as it cannot be easily manipulated in future, and that written data can also be used as a reference in future and could be easily verified.</span>
8. Is cheerful ...........