九年级上册 第5页
《Could you please tell me where the restrooms are?》PPT课件17-第一PPT
《I remember meeting all of you in Grade 7》PPT课件14-第一PPT
《You are supposed to shake hands》PPT课件8-第一PPT
《Teenagers should be allowed to choose their own clothes》PPT课件23-第一PPT
《When was it invented?》PPT课件27-第一PPT