Paper was invented about one thousand years ago.
It was invented by Cai Lun.
It is used for writing on.
It was developed by foreigners.
What was invented about one thousand years ago?
What was invented about one thousand years ago?
Who was it invented by?
What is it used for?
How was it developed?
Please answer in English!
Sorry!
倒数第二句应是
How has it developed?
Who was it invented by?
What is it used for?
How was it developed?
Please answer in English!
Sorry!
倒数第二句应是
How has it developed?
英语人气：370 ℃时间：2020-04-06 16:09:36
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