英语填空题.用下列所给词语的适当形式填空 clean develop introduce invent produce spread use write From about 500 BC,pens _________ for writing.The feathers of large birds _________ and dried.The point of each feather was sharpened.Th

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英语填空题.用下列所给词语的适当形式填空 clean develop introduce invent produce spread use write From about 500 BC,pens _________ for writing.The feathers of large birds _________ and dried.The point of each feather was sharpened.Th

英语填空题.用下列所给词语的适当形式填空 clean develop introduce invent produce spread use write From about 500 BC,pens _________ for writing.The feathers of large birds _________ and dried.The point of each feather was sharpened.Th
英语填空题.
用下列所给词语的适当形式填空
clean develop introduce invent produce spread use write
From about 500 BC,pens _________ for writing.The feathers of large birds _________ and dried.The point of each feather was sharpened.Then people used them to write with ink.Many famous works,such as Shakespeare's,__________ with these pens.Then,in the 18th century,a pen with a steel writing point __________ .Only a few words could __________ ,however,before the writer had to fill the pen with ink again.Many years later,the fountain pen __________ from these early pens.In1950,a European invented the ballpoint pen.The popularity of writing ________ quickly with the ___________ of the ballpoint pen.Even today,ballpoint pens are much less expensive,compared with fountain pens

英语填空题.用下列所给词语的适当形式填空 clean develop introduce invent produce spread use write From about 500 BC,pens _________ for writing.The feathers of large birds _________ and dried.The point of each feather was sharpened.Th
were used,were cleaned,wrote,was invented,be introduced ,was produced,spread ,development,

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