问题
选择题
Many people like to talk about generation gaps. I don't think there is ________ in my family though.
A．it
B．some
C．none
D．one
答案
答案：D
D 考察代词。句意：许多人喜欢谈论代沟，然而我们家没有代沟。由句意可知选择肯定意义的代词，排除C项。It指代同一事物；some某些，one指代前面的generation gap。