At Dragon Boat Festival,people celebrate it in many ways .one of them is to have dragon boat races.此句中one of them is ,是不是one of them之后都要跟is,去掉 is to,

问题描述:

At Dragon Boat Festival,people celebrate it in many ways .one of them is to have dragon boat races.
此句中one of them is ,是不是one of them之后都要跟is,去掉 is to,

对 one of them 之后必须跟is 去掉了这句话就是错误语句