Some people hold the view that the new machine is advanced, while others are still skeptical _____ w...
2022-12-13 03:08:38 13次 2014届江苏省高二下学期期中考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Some people hold the view that the new machine is
advanced, while others are still skeptical _____ whether it is of practical
use.
A．with B．about C．for D．on
本题链接：
