单选题
The first recorded use of natural gas to light street lamps (it was) in the town of Frederick, New York, in 1825.无
A、
was
B、
is
C、
it is
D、
were
【正确答案】
A
【答案解析】
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, 应该用过去时。
提交答案
关闭