英语单词题.
问题描述：
英语单词题.
U____ I an mistaken,I`ve seen you somewhere before.
Since I got over it,my life has been filled with p____,and I`m not sad any more.
答
unless
除非是我错了,我之前肯定见过你.
happy
自从我克服难关,我就一直很高兴,我也不再难过了.