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They are not dangerous at all. Toads are (1)--------- (big) than frogs. But toads legs are (2)------- (short) than frogs.Frogs are (3)---------(fast) than toads. Usually frods are (4)------(small) than toads but the Goliath frog is the (5)--------(big) frog in the world. It lives in Africa. It is  (6)-------(large) than a duck.