Rewrite these sentences as directed:
1. He doesn't eat fish when he isn't extremely hungry.
=> If.....................................................
2. We didn't hurry, so we were late for the concert.
=> If.....................................................
3. In order to get a driver's license, you must be at least 18 years old.
=> If you...............................................
4. A person must have a passport to be able to travel abroad.
=> A person cannot travel abroad unless........................
5. Ann's having a lot of trouble because she lost her passport last week.
=> If.............................................................................
6. Tom dosen't do anything if you don't tell him what to do.
=> Unless......................................................................
7. We must take steps to preserve natural resources, or the planet will be in danger.
=> Unless..........................................................................
8. It's such a oity your sister can't come as well
=> If only............................................................................
9. The soil would become poor unless the farmer added fertilizers.
=> If........................................................................
10. You probably won't have time, but I'd like you to come and see.
=> If....................................................................