3)Complete the text with the comparative form of the adjectives in brackets. Trains are faster (fast) than buses but they are a lot ......... (expensive). In the past ,transport was ..........(bad) than it is now and trains were often late. Now things are much .......... (good) than ten years ago. The trains arrive on time and they go ......... (far) than in the past . In cities like London, the underground is a good way to travel. Underground trains are ..........(safe) and ........(quick) than buses.​