【推荐1】Understanding the cultural habits of another nation, especially ________ containing as many different cultures as the United States is a difficult thing.

A．which

B．what

C．where

D．one

【推荐2】English is a language shared by several diverse cultures, ________ uses it differently.

A．whose

B．which

C．each of which

D．all of which

【推荐3】Generally speaking, parents’ influence on their children is greater than ________of anyone else’s.

A．one

B．it

C．that

D．those