Question

what kind of sentence is this? besides being the seat of our national government, washington, d.c., is home to an impressive array of free museums. declarative imperative interrogative exclamatory

Explanation:

此句陈述了华盛顿特区除作为国家政府所在地外，还是众多免费博物馆所在地这一事实，是陈述句。

Answer:

declarative