It is said that potato chips KFC _____ by mistake about one hundred yaers ago .然后 选项 A were nvented B invented C was invented D invent 选哪个?为啥?
问题描述：
It is said that potato chips KFC _____ by mistake about one hundred yaers ago .
然后 选项
A were nvented B invented C was invented D invent
选哪个?为啥?
答
C
薯条被发明 用 be invented
薯条指所有的薯条 客观物质 用单数
所以 C
答
C was invented 被动语态,potato chips 薯条的特有名称,不是复数