选择:Gunpowder was discovered in the twelfth century,but___A.man did not put it to use in war two hundred years laterB.until two centuries more it was used in warC.not used in war until two hundred years laterD.in war did not use it two hundre ye

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选择:Gunpowderwasdiscoveredinthetwelfthcentury,but___A.mandidnotputittouseinwartwohundredyearslaterB.u

选择:Gunpowder was discovered in the twelfth century,but___A.man did not put it to use in war two hundred years laterB.until two centuries more it was used in warC.not used in war until two hundred years laterD.in war did not use it two hundre ye
选择:Gunpowder was discovered in the twelfth century,but___
A.man did not put it to use in war two hundred years later
B.until two centuries more it was used in war
C.not used in war until two hundred years later
D.in war did not use it two hundre yeas afterwards

选择:Gunpowder was discovered in the twelfth century,but___A.man did not put it to use in war two hundred years laterB.until two centuries more it was used in warC.not used in war until two hundred years laterD.in war did not use it two hundre ye
A 少一个until
B more应该为later
C 正确答案 两个并列,所以选项里省略了谓语的be动词.你在选项里加上gunpowder was就明白了.
D 选项里没有主语.
你们的采纳是我们回答的动力~