Rewrite, using “if”:
1. Unless we use more and more public vehicles, we will run out of oil soon.
à _________________________________________________________________
2. Unless we run out.of oil, we won’t need other kind of energy.
à _________________________________________________________________
3. Pollution will not increase unless we use more oil and coal.
à ________________________________________________________________
4. Unless pollution increase, more and more trees will die.
à _____________________________________________________________
5. The climate will not change unless more and more trees die.
à __________________________________________________________________
6. Unless the climate change, wewon’t meet with natural disasters.
à _____________________________________________________________
7. Unless we try to control pollution, it won’t be very expensive.
________________________________________________________________
8. I will not tell him this news unless I see him.
à _________________________________________________________
9. Unless you hurry, you will be late for school.
à ________________________________________________________
10. We will not be tired unless we walk to the market.
à _________________________________________________________-