1.   As that is so expensive to collect, why not abolish it now?

2.   Buses and underground trains were so expensive that it was no longer accurate to regard them as public transport.

3.   Buyers stopped buying as mortgages were so expensive.

4.   Evaluating the toxicology of any new pesticide is now so expensive that few new compounds are reaching the Market.

5.   He expressed surprise when he learned we were staying there because he thought it was so expensive.

6.   More people in their twenties are still living at home because housing is so expensive.

7.   Politics has got so expensive that it takes lots of money to even get beat with nowadays.

8.   Space stations are so expensive that they can not be placed in short-lived, unstable orbits.

9.   Why a pair was so expensive just four years ago is something you could dwell on well into the night.

10.   Everything is so expensive - my money goes out almost as soon as get it.