1.   A second-hand tractor front axle would have cost a lot more.

2.   As I mentioned earlier, it will cost a lot of money.

3.   But replacing it with something more attractive is going to cost a lot more than anyone anticipated.

4.   Did it cost a lot to fly to Rio?

5.   I managed to find the bike I wanted but it cost a lot.

6.   It costs a lot of money to go to medical school, you know.

7.   It costs a lot to heat these offices.

8.   On the negative side, it will cost a lot.

9.   That hi-fi looks as though it cost a lot of money.

10.   Their hair products are really good but they cost a lot.