______was one regarded as impossible has now become a reality.A、WhatB、ThatC、Wh

游客2025-03-04 16

问题 ______was one regarded as impossible has now become a reality.

选项 A、What
B、That
C、Which
D、As

答案 A

解析本题考查连词的用法。因为本句为主语从句，what在从句中做主语，因此A为正确答案。

转载请注明原文地址:https://tihaiku.com/zcyy/3982425.html

相关试题推荐

随机试题

最新回复(0)