file:Unit4(A)日常活动.pdf file:(4)Unit 4 (A) 日常活动第4段.mp4 file:复习Unit1(A)—Unit3(B)及测试.pdf file:(5)Gazette 公报 复习：Unit 1(A)—Unit 3(B)第5段.mp4 file:Unit2(B)城市和国籍市内场所.pdf file:总复习及考试.pdf file:(4)总复习及考试第4段.mp4 file:Unit17(B)讲述过去，传记和自传.pdf file:Unit17(A)电视广告，描述身体状况和情感.pdf