----- Nội dung dịch tự động từ ảnh ----- I. Fill in each blank with a word from box plastic bags exchange reduce charity reusing 1. You can save the environment by, 2. Instead of using . old things - you should use reusable bags. 3. If we water use, we'll save money. 4. My mother does a lot of work for. She cooks meals for patients and teaches homeless children. 5. If you have some old uniform, you can II. Choose the correct answers A, B, C, or D to finish the sentences. 1. If you press the button, what , A. would happen them with other students. B. happens time, I B. will have – will help C. have- will help _? C. will happen - you with planting that tree. D. happen 2. If I A. had - helped 3. We can reuse things like_ A. envelopes 4. People throw away millions of_ D. have – don't help B. plastic bottles C. cloth bags D. glasses _every year.