For/Since

Complete each of the sentences with for or since.

1. We have lived in California  1994.
   
2. Tina has been married  three years.
   
3. I have worked here  a long time.
   
4. Robert hasn't smoked  his birthday.
   
5.  1998, Arthur Holt has been the president of our club.
   
6. They have studied Spanish  six weeks.
   
7. Nobody has seen Peter  Christmas.
   
8. Paula has worked here  March 2000.
   
9.  three days, George has been telling the same old jokes.
   
10. John has lived here  his divorce.