- 请问个英语问题providingmeaningfulandqua
- viding meaningful and quality input onto the virtual classroom is an essential part of online learning.
主语是is之前is位于后面是宾语对吗
input是什么
请说明句子结构
- input(n.) 输入;投入
主语：providing meaningful and quality input
定语：onto the virtual classroom
谓语：is
宾语：an essential part of online learning.