This is one of the equations______later when we want to calculate changes in speed.

admin2019-05-09  25

问题 This is one of the equations______later when we want to calculate changes in speed.

选项 A、to use
B、to be used
C、being used
D、having used

答案B

解析
转载请注明原文地址:https://jikaoti.com/ti/mWnGFFFM
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)