Choose the correct meanings of the underlined words.

House prices in big cities are increasing 'rapidly' because too many people want to buy their own house.
1. very quickly
2. very slowly
The rural population is 'decreasing' because more and more people are moving from the countryside to cities.
1. going up
2. going down
The public transport is not very 'reliable', so many people use their private vehicles.
1. can be trusted
2. can be expensive