4.1创建一个演讲稿
chapter4.
mydream
goodmorningeveryone。
lastsummermyfatherandiwenttothegrasslandforthefirsttime.everythingtherewassobeautiful：thegrasslandwassoextensive.thecowsweregrazing，andthesheepwerelikepearlsdottedonagreenblanket.
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