Tokyo, the capital of Japan, is a big city. The city is filled with factories, large office buildings, banks, restaurants, and shops of all sizes. It is a (1)center for Japanese art, and is home to more than 100 colleges and universities. The city is (2)also an important seaport. Most Janpanese companies have (3)their main offices in Tokyo. At the heart of Tokyo. At the heart of Tokyo is the Imperial Palace. This is the place (4) where the Emperor of Japan lives with his family. Tokyo is one of the world's biggest and most crowded (5)cities .