unit19warmingupspeakinglistenging-ppt課件-資料下載頁
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【正文】 ught was ________ and could not be used for _______ . Instead they changed the fields into ________ . On their farm they kept _______________ and grew ________ . fruit trees fish/chicken/ducksfishponds farming too wet Use land wisely to keep the balance of nature Land is our country’s most valuable resource
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