Read the sentence. Theodore Roosevelt the twenty-sixth president of the United States was the youngest president to ever hold of
fice. Which revision of the sentence is now properly punctuated? Theodore Roosevelt, the twenty-sixth president of the United States, was the youngest president to ever hold office. Theodore Roosevelt the twenty-sixth president (of the United States) was the youngest president to ever hold office. Theodore Roosevelt the twenty—sixth president of the United States—was the youngest president to ever hold office. Theodore Roosevelt, the twenty-sixth president of the United States was the youngest president to ever hold office.
Main ideas are often found at the beginning of paragraphs. The first sentence often explains the subject being discussed in the passage. Main ideas are also found in the concluding sentences of a paragraph.
