Rewrite the sentences. 1. I don’t know your address, so I can’t write you a letter. => If ………………………………………………………………………………………………….. 2. I live in a countryside because I don’t have a house in the city. => If ………………………………………………………………………………………………….. 3. If you don’t start early, you will miss the train. => Unless……………………………………………………………………………………………... 4. She didn’t call me last night because she didn’t know my phone number. => If…………………………………………………………………………………………………... 5. They cancelled the trip because it rained heavily. => If …………………………………………………………………………………………………. 6. He is overweight. He eats too much => If …………………………………………………………………………………………………. 7. The room is cold because they leave the door open. => If …………………………………………………………………………………………………. 8. Unless she works hard, she will fail the next exam. => If………………………………………………………………………………………………….. 9. I didn’t buy a bicycle because I didn’t have enough money. => I would…………………………………………………………………………………………… 10. You got into so much trouble because you didn’t listen to me. => Had……………………………………………………………………………………………….