Either you or one of your family members ________ (be) to attend the school sports meeting tomorrow and cheer on your kids.
is 根据主语中的either ... or ... 可知,谓语动词采取“就近原则”,与“one of your family members”保持一致,故填is。
Peter, together with his parents _________ every Sunday.
A. went hiking B. go hiking C. goes hiking D. hiking