Both the scientists understood that the air was a mixture of two gases,____was "combustible" and the other "useless".

admin2014-01-01  38

问题 Both the scientists understood that the air was a mixture of two gases,____was "combustible" and the other "useless".

选项 A、which
B、that
C、one of which
D、one of that

答案C

解析
转载请注明原文地址:https://jikaoti.com/ti/4bmGFFFM
本试题收录于: 英语题库普高专升本分类
0

随机试题
最新回复(0)