2★:当先行词后有介词时只能用whom,which,whose, 而不能用who,that等。 ▷▷▷▷▷ 领悟体会: I like the person to whom you just talked。 This is the ring on which she spent 1000 dollars. The film of which I’m speaking is to be shown next week. This is the teacher from whom I’ve learnt a lot.