2. 职称英语
  3. ________ was thought to be impossible in the past has now become a reality.A、Wha

________ was thought to be impossible in the past has now become a reality.A、Wha

游客2023-09-18  32
问题 ________ was thought to be impossible in the past has now become a reality.
选项 A、What
B、Which
C、That
D、As
答案 A
解析 本题考查主语从句的引导词。题干中有两个谓语动词was thought和has…become，因此本句应为主从复合句，且空格所填词引导的从句作句子的主语，所以空格处应填一个主语从句的引导词且能在从句中作主语，符合要求的只有A。That可以引导主语从句，但仅起到连接作用，不在句中充当成分，可以排除；Which和As不能引导主语从句，也可以排除。所以，确定答案为A。
转载请注明原文地址:https://tihaiku.com/zcyy/3024425.html
相关试题推荐
随机试题
最新回复(0)