Subtopic: 2 Now, everything has changed B(1): 3 Looking in every direction from the center of the town, one sees a long succession of giant, imposing buildings. B(2): 3 The streets, whether long or short, are straight, spacious, and well-shaded B(3): 3] Crowds of people can be found here and there, hurrying, noisy, and well-dressed C From a dull little village with clusters of shabb houses in the past, my hometown has now transformed into a big city, cheerful, colorful, and prosperous.• Subtopic: 2]Now, everything has changed. • B（1）: 3]Looking in every direction from the center of the town, one sees a long succession of giant, imposing buildings. • B（2）: 3]The streets, whether long or short, are straight, spacious, and well-shaded. • B（3）: 3] Crowds of people can be found here and there, hurrying, noisy, and well-dressed. • C From a dull little village with clusters of shabby houses in the past, my hometown has now transformed into a big city, cheerful, colorful,and prosperous