complete the sentences with Should/Shouldn't do to save the Earth ----- Nội dung dịch tự động từ ảnh ----- I. Complete the sentences with Should/Shouldn't do to save the Earth.
1. We **shouldn't** burn trees. 2. We **should** walk or ride a bike to school. 3. We **shouldn't** leave the tap running when we're brushing the teeth. 4. We **should** turn off the lights and the computer when we leave the room. 5. We **should** recycle waste paper, bottles and cans. 6. We **shouldn't** use aerosols. 7. We **should** use low energy light bulbs. 8. We **shouldn't** drop litter in the streets.