1、第二部分:21-23：CCD, 24-27. BACA 28-31. CDBA 32-35. ACDD36-40CEGAF 第三部分:41-45： BCAAC, 46-50：DBCDA, 51-55：DCCBD, 56-60：ABADB61. who 62.retired 63.realising/realizing 64.warmth 65.younger66.that 67.as 68.is considered 69.goes 70.works第四部分：第一节：第2节 :Dear Sir,Im Li Hua, a student from Guangming middle school.
2、 Im writing to express my opinions about the shared bike.Being convenient and environmentally friendly, shared bikes have already been popular throughout China. However, with its rapid development, it brings about many problems. In some places shared bikes are left everywhere and sidewalks are occup
3、ied. Whats worse, some people even damage them or take them just as their own possessions.In my opinion, its the lack of public awareness and related laws that results in such phenomena. To solve the problems, measures must be taken right away. First, the government should make some strict laws and rules to regulate the operation and management of the shared bikes. Second, the public should raise their awareness of using the bikes correctly and gracefully. I hope you will take my advice into consideration. Yours sincerely, Li Hua
升级会员 