问题
单项选择题
The first recorded use of natural gas to light street lamps it was in the town of Frederick, New York, in 1825.
A．was
B．is
C．it is
D．were
答案
参考答案：A
解析：结构应用。划线部分应填be动词(the first recorded use of natural gas是主语，to light street lamps是状语)；又因发生在过去，用过去时；所以选项A是答案。