there is \are two boxes of chalk on the desk?

there is \are two boxes of chalk on the desk?

当然是用are了,桌面上有两盒粉笔.
there be句型若后面接单数或者整体,则用is/was；
若后面接的是复数,或者there are something and something,则用are/were

选 "are"，2盒是复数

are 看boxes是复数用are