3 Complete the sentences with the comparative and superlative adjectives. Use than and as where necessary. Use the information about three different ways of travelling.

0 Taxis are faster (fast) than buses.
1 The bus is ___________________ (cheap) than the train.
2 Buses are ___________________ (big) than taxis.
3 The train is ___________________ ___________________ (fast).
4 The taxi is ___________________ ___________________ ___________________ (comfortable).
5 The train is ___________________ __________________ __________________ (comfortable) the bus.
6 The bus isn’t ___________________ ___________________ (big).
7 The bus isn’t ___________________ __________________ __________________ (expensive) the taxi.