----- Nội dung dịch tự động từ ảnh ----- Joining two sentences, using the words in brackets. 1. We must conserve water. Otherwise, we will face serious water shortages. (IF) 2. The weather was awful. We didn't enjoy our camping holiday. (BECAUSE OF) 3. Plastic bags are non-biodegradable. They will remain in the environment for many years. (SINCE) 4. Paul doesn't think about the planet. He wastes so much water. (IF) 5. The climate is changing. The earth is getting warmer. (BECAUSE) 6. People begin to recycle. They generate much less trash. (WHEN) 7. We are damaging the ozo layer. The ozone layer is necessary for human existence. emstime (EVEN THOUGH) 8. Sue is suffering from skin cancer. She was exposed to radiation when she was young. (SO)