It was about 600 years______that the first clock was made.A、agoB、beforeC、since

游客2025-06-24 24

问题 It was about 600 years______that the first clock was made.

选项 A、ago
B、before
C、since

答案 A

解析句意：第一个时钟的发明是在600年前。本题考查的是表示时间的引导词。ago在…之前，before在…之后，since自从…。故A正确。

转载请注明原文地址:http://tihaiku.com/zcyy/4132840.html

相关试题推荐

随机试题

最新回复(0)