2021-2022英语周报38期答案九下

1.①垃圾分类的好处有哪些呢②二是将有害垃圾分类出来③普及环保与垃圾分类的知识(每空2分)

36 have puzzled/ have been puzzling 37. which 38. height40. weighing41. known42. currently43. the44. locationsn? 45. were transported

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