The first recorded use of natural gas to light street lamps it was in the town o

游客2024-01-02 41

问题 The first recorded use of natural gas to light street lamps it was in the town of Frederick, New York, in 1825.

选项 A、was
B、is
C、it is
D、were

答案 A

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，用过去时，所以选项A是答案。

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