The______of the steam engine occurred before the development of the railroad.A、i

游客2024-01-02  30

问题 The______of the steam engine occurred before the development of the railroad.

选项 A、invent
B、inventive
C、inventor
D、invention

答案 D

解析 A noun must follow the. The noun invention is the subject of the sentence.
转载请注明原文地址:https://tihaiku.com/zcyy/3327919.html
最新回复(0)