Rewrite the following sentences, keeping the meaning unchange

Part III. Rewrite the following sentences, keeping the meaning unchange.

1. I’ll only help you if you promise to try harder

->Unless………………………………………

2. The test is so difficult that we can’t finish it on time.

-> If……………………………………

3. The fire will go out if someone doesn’t put the coal in.

Unless ___________________________________________________________

4. Get up early or you won’t catch the bus.                                  

 =>If........................................................

5. If they don’t hurry up, they will be late for school.
>Unless____________________________________________________________6.  I don’t have the key, so I cannot get into the house

®If I……………………………………………………………………………

7. If you don’t like this one, I will bring you another.

-> Unless you………………………………………………………………

8. We can’t go camping because the weather is bad.

-> If _____________________________________