các em hoàn thành bài về nhà: Nêu thực trạng môi trường nơi em sinh sống, từ đó đề ra các giải pháp bảo vệ môi trường.

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V. Build sentences, using the cues (passive voice, conditional sentence type 3, should/ shouldn’t) 1. If I /be/ working at the restaurant last night/ I / wait/ on your table. …………………………………………………………………………………………………………… 2. If they/ pay/ attention, they /see/ the sign marking their exit from the highway. …………………………………………………………………………………………………………… 3. Many difficult questions/ ask/ me/ yesterday. …………………………………………………………………………………………………………… 4. My piano/ repair/ now. …………………………………………………………………………………………………………… 5. Carol/answer/ the phone if she /not, be/ studying. …………………………………………………………………………………………………………… 6. If the sun /not, shine/ we /not, go/ to the beach yesterday. …………………………………………………………………………………………………………… 7. His story/not, often believe. …………………………………………………………………………………………………………… 8. She/ water/ the flowers/ at the momment. ……………………………………………………………………………………………….