用关系代词who, that, which 填空。 ( 提示: 定语从句中关系代词的选用主要由先行词决定。当先行词是表示人的名词或代词时,关系代词一般用who , that , whom;当先行词是表示事物的名词或代词时,关系代词一般用that , which;当先行词既有表示事物的名词或代词,又有表示人的名词或代词时,关系代词一般用that ) A: Karen, did you get any nice gifts for your birthday? B: Well, of all the gifts ____________ I got, Keith’s was the best. He bought me one of those new mobile phones ____________ can take pictures. A: You’re lucky, I never really like the gifts _____________ Mark buys me.