2. 外语
  3. ______was thought to be impossible in the past has now become a reality.

______was thought to be impossible in the past has now become a reality.

admin2015-07-17  53
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 题干中有两个谓语动词was thought和has，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://kaotiyun.com/show/vWiK777K
本试题收录于： 大学英语三级A级题库大学英语三级分类
0

大学英语三级A级

大学英语三级

相关试题推荐
随机试题
最新回复(0)