The elderly patients still prefer the traditional way, ______ online booking system is supposed to ...
2022-12-31 00:29:51 164次 2013届福建省高二第四学段（期末）考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The elderly patients still prefer the traditional
way, ______ online booking system is supposed to be convenient and fast.
A. while B.
though C.
unless D.
as
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