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Luo Jun is from Shanghai.He's a clever boy.He likes PE.He can play basketball well.He often plays basketball on Saturdays.On Sundays, Luo Jun and his parents often go to see his grandparents.His grandparents live in a beautiful village.There are many trees and flowers in the village.There is a river, too.You can see many fish in the river.But you can't swim in the river.It's dangerous(危险的)!