作业帮The boy has taken a course to learn all about ___(sail)是不是填sailing?
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/02 14:03:16
The boy has taken a course to learn all about ___(sail)是不是填sailing?
The boy has taken a course to learn all about ___(sail)是不是填sailing?
The boy has taken a course to learn all about ___(sail)是不是填sailing?
是,介词后的动词用ING
不是吧，我觉得应该填原型，在这里sail是名词。