He studies English very well and 后面跟good at swimming还是is good at swimming

问题描述:

He studies English very well and 后面跟good at swimming还是is good at swimming

is good at swimming.
因为and引导并列句,如果省略第二部分的谓语,而与第一部分共用谓语,那么谓语必须能够同时适合两者.
这句话,前半句谓语是studies,无法与后面的good形成细表结构,所以,必须用is.
请采纳