_____________(不论晴雨),we'll have to go tomorrow.
答案:Rain or shine
解析:本题考查固定用法"不论......",英语用...or...来表达。如:Winter or summer,that lady always wears a long black gown.(不论夏冬,那个老妇人总是穿一身黑色长袍。)类似的表达还有:better or worse,good or evil,sink or swim,men or women,old or young。