九年级上册共41篇
《When was it invented?》PPT课件27-第一PPT
《How can we become good learners?》PPT课件15-第一PPT
《When was it invented?》PPT课件23-第一PPT
《Teenagers should be allowed to choose their own clothes》PPT课件21-第一PPT
《How can we become good learners?》PPT课件17-第一PPT
《It must belong to Carla》PPT课件12-第一PPT
《We're trying to save the earth!》PPT课件9-第一PPT
《Could you please tell me where the restrooms are?》PPT课件17-第一PPT
《Life is full of unexpected》PPT课件7-第一PPT