20. Did they give food to homeless people last year? → Was ........................................................................................................................................ ....................... 21. Although the weather was bad, the football match was not canceled. → Despite ........................................................................................................................................................... 22. Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes.(because) → ..................................................................................................................................................................... . 24. We should not throw plastic bags everywhere. Plastic bags are a major source of waste. (so) → ........................................................................................................................................................................ 25. We won’t hold the festival. It costs too much money. (if) → ........................................................................................................................................... ........................... 26. The tortoise was running. The hare was sleeping. (while) → ........................................................................................................................................................................ 27. The girl worked hard. Her stepmother wasn’t happy. (although) → ........................................................................................................................................................................ 28. As soon as we got on the plane, the pilot told us to get off again. → After we had just............................................................................................................................................. 29. Stop swimming in that lake or you will have skin rashes. →If....................................................................................................................................................................... 30. I can’t help you unless you tell me what’s wrong. →If....................................................................................................................................................................... 31. The food is contaminated. People’s health is poor. (results in) →........................................................................................................................................................................... 32. Factories release fumes. The air people breathe gets polluted. (due to) →.......................................................................................................................................................................... 33. Be quiet or you will be punished by your teacher. => If....................................................................................................................................................................... 34. The environment is polluted. Birds leave their habitats and plants die. (makes) =>........................................................................................................................................................................... giải giúp mik,camo