定语从句先行词有that修饰后面还可以选that吗?

问题描述:

定语从句先行词有that修饰后面还可以选that吗?

用which或who,whom

通常情况下,定语从句先行词有that修饰,后面不用that引导,是避免重复,但有些时候,是必须用that的情况,则还是用that,如,先行词既有人又有物,这时即使先行词前有that修饰,引导词也只能用that.