are
is
either...or /neither...nor/ not ..but / not only...but also /or 以及there be 等 谓语动词要与最近的主语保持一致
例子:
There is a boy and two girls in the room.( a boy 为最近主语)
There are two girls and a boy in the room。(two girls 为最近主语)
希望能帮到你
追问抱歉,只能选一个最佳答案,于是选了先回答的,但还是谢谢你。