they must be ready and able to move off the land and to move again whenever necessary

分类: 作业答案 • 2021-12-26 11:14:02

问题描述：

they must be ready and able to move off the land and to move again whenever necessary
帮忙讲解一些这个句子,可别是这几个and,看晕啦
特别
是这几个and

答