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Unit4AtthefarmPartALet’slearnandlet’schanttomatoone/atomato[təmɑ:təʊ]tomatoessometomatoes[tə’mɑ:təʊz]greenbeanone/agreenbean[ɡri:nbi:n]greenbeanssomegreenbeans[ɡri:nbi:ns]Lookatthegreenbeans.They’reso.longlongshortThelongandshortistheopposite.potatoone/apotato[pə'teɪtəʊ]potatoessomepotatoes[pə'teɪtəʊz]Thepotatoesare.bigbigsmallThebigandsmallistheopposite.carrotone/acarrot['kærət]carrotssomecarrots[‘kærəts]tomatoesgreenbeanspotatoescarrotsgreenbeanpotatotomatocarrotsessesLet’sholdthewordsBecomethepluralform.What’smissing?Lookatthegreenbeans.They'resolong!Yes,andthepotatoesarebig.tomatoespotatoesgreenbeanscarrotsIliketomatoes.Ilikepotatoes.CarrotsIwilltry.Ilovetoeatgreenbeans,Butonionsmakemecry.Let’schant：Eatingmorevegetablesisgoodforourhealth.多吃蔬菜水果有益健康。