In the early 1800s,Sunday (call)"holy" day.

题目

In the early 1800s,Sunday (call)"holy" day.
适当形式填空

答案

was called
首先是过去时,“早在19世纪”.
其次是被动式,“星期日被叫做圣日”.
19世纪没问题,怎么能是18世纪呢?!这好象是基本常识啊!