2. 职称英语
  3. It was about 600 years________that the first clock was made.A、agoB、beforeC、sin

It was about 600 years________that the first clock was made.A、agoB、beforeC、sin

游客2025-06-21  33
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。since用在“从时间点开始的行动或状况一直持续到现在”的句中，主句多用完成时。如：I’ve been here since July. 我从7月份开始就在这里了。
转载请注明原文地址:https://www.tihaiku.com/zcyy/4128516.html
相关试题推荐
    随机试题
    最新回复(0)