Nối các câu sử dụng câu điều kiện loại 1 và các từ cho sẵn

Bài 4: Nối các câu sử dụng câu điều kiện loại 1 và các từ cho sẵn. 1.Factories dump waste into rivers. A lot of fish die. 2.People use plastic bags. Oceans are full of plastic garbage 3 I don't walk to school. I don't save a lot of money. 4.People build too many houses. Land for farming decreases 5. The Earth becomes hotter. The polar ice cap melts. 6.The polar ice cap melts. Sea level rises 7.We don't use recycled products. We don't help the environment. 8.We breathe polluted air. We suffer from lung diseases. 9.People don't often cycle. There is a lot of air pollution. 10.You don't write on both sides. You waste your paper