Paper was first invented in China.如题,不明白为什么填was,不是应该是is吗?这是一个客观事实啊,不管过多久纸都是第一个被中国发明的,为什么要用过去时呢?快纠结死了

_______is that paper was first made in China. paper was first made in china成分分析 用英语回答：who was paper money first used by? Everyone knows that paper ____ in ChinaA was made first B.at first was made C.was made at first D.was first made Paper _____ first invented in China.A.is B.are C.was D.were如何做 I coulldn't believe that the first paper I writed in college was so terrible.改错 who was paper money first used by?翻译并回答一下,谢. 打印机出现 FEED PAPER FIRST, it was about 20000years ago that the Chinese first made paper是强调句吗,恢复是什么样 hold up I couldn't believe that the first paper I writed in college was so terrible对吗 句型转换Liu Min handed in the exam paper first.同义句 Liu Min was the first __ __in the exam paper1.Liu Min handed in the exam paper first.同义句Liu Min was the first ____ ____in the exam paper.2.You should decide which school you will choo 英语.2篇任务型阅读.一.Paper,like many other things that we use today,was first made in China.It was about 2000 years ago that the Chinese first made paper .China still has pieces of paper that was made as long ago as that .However,Chinese pa 英语翻译The Chinese first made paper about 2,000 years ago.China still has pieces of paper which were made as long ago as that.But Chinese paper was not made from the wood of trees.It was made from the hairlike parts of certain plants.Paper was n 26.(),paper was first made in China.a.It is known to allb.As is known to all选什么,怎么分析的? . _______C__ is known to all, paper was first made in China. A.That B.Which C.As D.I 求答案解析. In the late 17th century the first official _____ paper money was issued in Britain.A)printedB)writtenC)copiedD)marked 一道完形填空.紧急!Paper was first invented by a Chinese man called Cai Lun in AD 105. He made is __1__ the wood of a kind of tree. Today,paper still __2__ from trees.We can use __7__ paper every day.We must begin using __4__ paper now becaus 英语翻译Paper,like many other things that we use today,was first made in China.In Egypt and the West,paper was not very commonly used before the year 1400.The Chinese still have pieces of paper which were made as long ago as that.But Chinese pape