The first recorded use of natural gas to l
问题:
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
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