1. If you write me from England, I'll answer.
2. She can learn English if she goes to Enland.
3. We can catch the bus if we hurry.
4. If it doesn’t rain this afternoon, we'll go for a walk.
5. His family will be hungry if he doesn't buy food.
6. Your room will become untidy if you are careless.
7. A baby cries if it is hungry.
8. If my girlfriend comes early, we'll go out.
9. If he doesn’t smoke, he'll be healthier.
10. You can’t sleep well if you drink a cup of coffee.