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unit2Therearethreebrownmonkeys.some一些some一些somehorses一些马Therearesomehorses.threehorses.TherearesometigersTherearesometigers.somebirdsTherearesomebirds.somesnakesTherearesomesnakes.monkeybrownmonkeyTherearetherebrownmonkeys.blackandyellowtigerblackandyellowtigers.TherearesevenwhitehorsetwowhitehorsesTherearetwowhitehorsessomanyanimalsThereareatthezoo!