For and Since

For and since exercise:

1.   _____ a very long time    

2.   _____I left school

3.   _____10 years

4.   _____it started to rain

5.   _____three weeks  

6.   _____September

7.   _____I came to London 

8.   _____half an hour 

9.   _____my birthday

        10.       _____six months