Guidedogs(導盲犬)areabighelptoblindpeople.Aguidedoghelpsit...
問題詳情：Guidedogs(導盲犬)areabighelptoblindpeople.Aguidedoghelpsitsownercrossthestreetanddomanyotherthings.Butitisnoteasytobecomeaguidedog.Here’swhatadogmustdotogetthejob:1.Whenthedogisveryyoung,trai...