4.They provided food then cleared up the debris. After they………………………………………….…………………………………………….. 5. Air pollution can cause breathing problems. Breathing _____________________________________________________ 6. Study hard or you won’t pass the exam. If __________________________________________________ 7. My father cleans the car every week. The car _____________________________________________________ 8. If you don’t rest yourself, you will be ill. Unless _________________________________________________ 9. Aquatic life suffers or dies because there is thermal pollution. (because of) ............................................................................................... 10. You use compact light bulbs. You save a lot of energy. (If) ............................................................................................... 11. They are going to organise a garden party to raise money for the victims of the flood. (be) ............................................................................................... 12. The waiter took my plate. I didn’t finish eating my meal yet. (before) ............................................................................................... IX. Write full sentences using the suggested words and phrases 1. If/ I/ be/ you/ I/ buy/ that house. ______________________________________________________________ 2. The last/ time/ he/ speak/ his father/ be/ two months ago. AI GIÚP MÌNH VỚI