单项选择题
A. your friends is too busy to read a letter B. your friend hates to receive a letter C. your friend is not worthy of your letter D. your friend should not have written you a letter
A. the ancient architects had no technology B. the modern architects use more advanced technology C. the modern buildings are advanced because they are completely different from the ancient buildings D. the modern buildings are more beautiful
A. Urban Renewal B. Suburban Sprawl C. Effects of the Move to the Suburbs D. Development of the Suburbs