Ответ:

1. We'll be late if we don't leave now.

2. If it rains, we will not play tennis this afternoon.

3. Will you buy me a newspaper if you go shopping later?

4. If i don't see Holly today, I'll phone her.

5. If you put your hand on the cooker, you'll burn yourself.

6. I won't meet you at the cinema if I don't finish my work.

7. If you lend me five pounds, I'll pay you back tomorrow.

8. If you get home before me, will you make the dinner?