Sua loi sai: 1. Conservation (of) energy also has (other) meaning and (that) is (to) save energy 2. I didn't (mean) to (do) it; it (was) (on) accident 3. Simply (by) switching (off) computers at night and (weekends) energy consumption (can reduce) by 75% a year 4. Don't blame him (for) this; Iam (responsible) (to) (what) has happened 5. (Office) equipment is (now) (fastest) growing area (of) energy 6. He might be (good) (in) his job, (but) you can't rely (on) him 7. It (was) difficult (arrange) a day (which) was convenient (for) everyone 8. Energy saving bubls use 75% (less) electricity (but) provide the same amount of light and last (up) (for) 10 times longer Chon tu co trong am khac: 1. A. demonstrate B. ancient C. hopeless D. donate 2. A. industry B. economy C. pollution D. collection 3. A. fertilize B. knowledge C. recycle D. dangerous 4. A. refuse B. arrival C. user D. collect