Excercise 2.Complete the sentences.Use who,whom,whose,which,

Excercise 2.Complete the sentences.Use who,whom,whose,which,or that.More than one answer is possible.
1.The bank _________________ is near my house is closed now.
2.Confucius and Lao-tse were famous Chinese leaders ____________ are well known around the world.
3.Do you remember my friend Ben _____________________ you met on our trip to Taiwan?
4.This telephone number is for people _______________ credit cards are stolen.