It is said that potato chips ______ by mistake about a hundred years agoA was invented B are invented C is invented D were invented

分类: 作业答案 • 2022-04-20 14:20:54

问题描述：

It is said that potato chips ______ by mistake about a hundred years ago
A was invented
B are invented
C is invented
D were invented

答

D
被发明,用被动语态,且为复数