【简答题】A.When and how umbrella was invented. B.Why the umbrella was so popular in Europe. C.The development of the umbrella. D.The history and use of the umbrella.
【简答题】A.No one exactly knows who was the inventor of the umbrella. B.The umbrella was first invented to be used as protection against the sum C.The umbrella changed much in style. in the eighth century....