山東省九年級英語全冊unit6whenwasitinvented第5課時課件新版人教新目標版(留存版)
【正文】 , there was a (suddenly) heavy fall of snow. think the telephone (invent) before the car. (Canada) song Alouette(《百靈鳥》 ) is a fun song about a bird. (invite) to take part in the May Day celebrations in Beijing. (popular) of
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