问题补充:
单选题ItissaidinthebookthatTomasEdison(1847-1931)_______theworldleadinginventorforthirtyyears.A.would beB.has beenC.wasD.had been
答案:
C
时间:2019-03-12 05:02:56
单选题ItissaidinthebookthatTomasEdison(1847-1931)_______theworldleadinginventorforthirtyyears.A.would beB.has beenC.wasD.had been
C