The elderly patients still prefer the traditional way, ______ online booking sys

题干

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

上一题下一题 0.4难度单项选择更新时间:2012-10-21 07:27:06

小学学科试题库

初中学科试题库

高中学科试题库