No one knows exactly when humans began eating honey.一道高一完形填空题关于_英语解答

No one knows exactly when humans began eating honey.
一道高一完形填空题关于蜂蜜的历史以及养蜂对美国农民的影响的.觉得原文句子有毛病（水平低.

人气：492 ℃　时间：2020-06-19 10:53:25

解答

没有问题啊
没有人知道人类什么时候开始食用蜜糖……
No one 是主语
knows exactly 是谓语
when humans began eating honey.是宾语从句