The terrible typhoon killed the people and cattle ------- we

只能填that.
简析：当先行词中人、物 共存时,关系代词只能用that 引导,不能用which 的.
顺便补充下只能用that 引导的定语从句：
以下情况,只用that不用which
　　1）当先行词是或被序数词,最高级,不定代词修饰时,关系词用that不用which.
　　2）当先行词既有人又有物时,用that.
　　3）当先行词带有the only,the very,the same,the last,the one等词时,用that不用which.
　　4）当主句中有who或which时,为避免重复用that.