My father is choosing a way togo to wor. He can take the bus, the sky train, or the subway. Going by bus is the most convenient way because the bus stop is the closest to our house. But the bu is the slowest and the least reliable. My father doesn't want to take the bus. The sky train is the fastest and most reliable, but the sky train station is ten blocks from our house. Going by sky train is the least convenient and the most expensive. My father doesn't want to take the sky train either. He will take the subway because it is faster and more reliable than the bus, and it is less expensive and more convenient than the sky train.