how are lucy and tony.这句话为什么要用are而不用 is?如题,麻烦讲解一下语法.

how are lucy and tony.这句话为什么要用are而不用 is?
如题,麻烦讲解一下语法.

因为lucy and tony.是两个人,复数

Tony doesn't have long legs and big hands. Tony doesn’t have long legs and big hands Tony doesn't have long legs or big hands.