hoàn thành các câu sau với câu điều kiện if loại 1

1. If we win money, we will buy a new house. 2. We will go on holiday if there is time. 3. If she leaves here, she will ask you. 4. If we do not protect our environment, we will die. 5. There will be floods if we cut down the forests. 6. If we do not plant more trees, we won't have more oxygen to breathe. 7. If your brother does not work hard, he will fail the exam. 8. We will save a lot of trees if we recycle old newspapers. 9. If the weather is fine, we will take part in outdoor activity. 10. If Peter turns off the tap, he will save a lot of water.