what在从句中作主语的例句：
What she saw frightened her.
她看到的事情吓了她一跳。
What was once regarded as impossible has now become a reality.
曾经被认为不可能的事情，现在已经变成了事实。
扩展资料
What she saw frightened her.
她看到的.事情吓了她一跳。
What was once regarded as impossible has now become a reality.
曾经被认为不可能的事情，现在已经变成了事实。
