Mary along with her parents+单数or复数?

Mary along with her parents+单数or复数?
Mary along with her parents+单数or复数?

Mary along with her parents+单数or复数?
好像是is...这里面主语只是Mary吧?along with her parents 伴随

单数，with后面是佩戴的，应该看前面的Marry。老师说过的。