back前要加to吗?为什么?they carried a lot of things (to back) home

分类: 作业答案 • 2022-01-09 18:04:27

问题描述：

back前要加to吗?为什么?they carried a lot of things (to back) home
back前要加to吗?为什么?
they carried a lot of things (to back) home

答

back前面不要加to
back 在这里应该是副词,动词+副词不用加to,back表状态