I don't know .Did Jack finish his homework?(改宾语从句）I don't know _______ Jack finished his homework.怎么改?为什么?

分类: 作业答案 • 2022-08-15 16:25:30

问题描述：

I don't know .Did Jack finish his homework?(改宾语从句）
I don't know _______ Jack finished his homework.怎么改?为什么?

答