It was about 600 years ago _______the first clock with a face and an hour hand w

题干

It was about 600 years ago _______the first clock with a face and an hour hand was made.

A．until	B．when
C．before	D．that

上一题下一题 0.64难度单项选择更新时间:2014-08-19 02:09:58

小学学科试题库

初中学科试题库

高中学科试题库