4. I know two persons: one is a dreamer, the other a doer.
5. Hawthorne [or some other writer] has two characters that are strong foils to each other.
6. I imagined what was going on in those two houses.
7. Some men are always hopeful, some always in despair.
8. I knew two men of very unlike abilities.
9. I knew two persons of very unlike dispositions.
10. The great choir presented fine contrasts in color of garments.
Expansion of One Paragraph into Several.—Let it be supposed that having composed a theme of one paragraph, a student has been asked to develop the subject at greater length; the paragraph has 85 words, and the audience wants 200, or 225. What will be the right course? It is possible to expand one paragraph of 85 words into one paragraph of 225 words. But if the paragraph of 85 words has two or three distinct parts, it is better to expand each into a new paragraph.
Let it be imagined that Dr. Wood, the English naturalist, had written a very short paragraph on the Crustacea; that it ran somewhat like this.