我的祖父母经历了两次世界大战。

My grandparents ___lived ___through two world wars.

这位退休将军经历了越南战争。

The retired general ___lived ___through the Vietnam war.

她经历了一次严重的经济萧条，并变得更坚强。

She ___lived ___through a severe economic depression and emerged stronger.