四年级下册共50篇
《There are forty students in our class》PPT课件4-第一PPT
《Welcome to my new home》Flash动画课件10-第一PPT
《Would you like to take a trip?》Flash动画课件-第一PPT
《There are forty students in our class》PPT课件2-第一PPT
《What subject do you like best》Flash动画课件-第一PPT
《Would you like to take a trip?》Flash动画课件5-第一PPT
《There are forty students in our class》Flash动画课件11-第一PPT
《What will you do this weekend?》MP3音频课件-第一PPT
《Welcome to my new home》PPT课件-第一PPT