The development of the boiler is closely related to ______ of the steam engine.

admin2018-10-25  19

问题 The development of the boiler is closely related to ______ of the steam engine.

选项 A、one
B、ones
C、that
D、those

答案C

解析
转载请注明原文地址:https://kaotiyun.com/show/YOPC777K
本试题收录于: 英语题库普高专升本分类
0

最新回复(0)