The people ..... work in my office are very nice.

• no pronoun
• who
• which 
• where

The student ....... pen I borrowed came late yesterday.

• no pronoun
• whom
• whose
• who

I lost the umbrella .... you gave me.

• no pronoun
• which
• whose
• that

Everybody ... went to the party enjoyed it.

• no pronoun
• who
• which
• that

The car .... was stolen yesterday belonged to Susan.

• no pronoun
• whose
• which
• when

The doctor ..... I went to see told me to rest.

• no pronoun
• who
• whose
• where

He fell in love with Mary, ...... left him after a few weeks.

• no pronoun
• when
• which
• who

This is the hospital .... I was born

• that
• when
• where
• whose

I don't understand people ..... are cruel to animals.

• no pronoun
• whose
• when
• who

The clothes .... she bought were expensive.

• no pronoun
• that
• which
• whose