Every boy and every girl has a dictionary.这句话中的谓语动词为什么用单数形式?

Every boy and every girl has a dictionary.这句话中的谓语动词为什么用单数形式? every girl and every boy 后面谓语用单数吗? every boy and every girl 后面的谓语动词用复数还是单数的 every boy and every girl这样的谓语动词也用单数么 谁知道Every boy and girl和Every boy and every girl后面跟be动词时单数还是复数 every boy and girl作主语和every boy and every girl作主语谓语动词的数一样吗 主语是every boy and every girl 谓语用is还是用are?为什么? Every boy and every girl in English has read the book为什么用has Many a girl and many a boy的意思为什么,谓语动词用什么形式 every boy and every girl 后面加复数还是单数形式 It is such a useful dictionary ____ every boy and every girl 主语是a boy and a girl,谓语动词用单数还是复数