Match the base word to the prefix.

1. con ( ) agree
   
   
2. inter ( ) cease
   
   
3. para ( ) certain
   
   
4. un ( ) change
   
   
5. dis ( ) chute
   
   
6. post ( ) firm
   
   
7. bi ( ) date
   
   
8. pre ( ) strict
   
   
9. in ( ) fix
   
   
10. de ( ) level