=>
V/
26. B first -> second (Đầu tiên -> Thứ hai)
27. A chương trình
28. C dành cho
29. D máy tính
30. C (HTTD -> đang diễn ra ở hiện tại/thời điểm nói)
31. A thậm chí
32. B thỉnh thoảng
33. A be adj to V
IV/
34. friendly (be very adj)
35. development : sự phát triển
36. celebration (the most adj N)
37. recognized (bị động was/were V3/ed)
38. famous (made sb/sth adj)
VII/
39. A (It comes from household chemicals, the amount of water people use and the waste people produce and throwaway.)
40. D (First, we need to recycle, which allows products to be used over and over again.)
41. A (Second, we need to watch the amount of water used in the home. It can be conserved by taking short showers instead of baths, repairing leakyfaucets, using the dishwasher or washing machine only when fully loaded, or simply turning the faucet off while brushing your teeth.)
42. B (Third, we need to reduce waste. We need to recycle whenever possible, but should also try to use this waste effectively. Forexample, grass clippings and food scraps can be made into compost for plants. The average person produces 4.3 pounds of waste every day, but we can reduce that amount by recycling and reusing.)
43. Bạn gạch chân rõ từ này
44. C (The average person produces 4.3 pounds of waste every day, but we can reduce that amount by recycling and reusing.)
45. B ( If we do our part in our own homes, we can help keep the planet from becoming more polluted.)