The pen ________ he is writing is mine.

A．with which    B．in which

C．on which  D．by which

Can you lend me the book ________ the other day?

A．about which you talked  B．which you talked

C．about that you talked  D．that you talked

At the party，John made up a joke，________ people burst out laughing.

A．on which  B．by which  C．at which  D．from which

That is the day ________ I'll never forget.

A．which  B．on which  C．in which  D．when

Do you know the year ________ the Chinese Communist Party was founded?

A．which  B．that  C．when  D．on which

This is the hotel ________ last month.

A．which they stayed  B．at that they stayed

C．where they stayed at  D．where they stayed

Do you know the man ________？

A．whom I spoke  B．to who spoke

C．I spoke to  D．that I spoke

The place ________ interested me most was the Children's Palace.

A．which  B．where  C．what  D．in which

(2008·山东，26)Occasions are quite rare ________ I have the time to spend a day with my kids.

A．who  B．which  C．why  D．when

(2009·江苏，23)Because of the financial crisis，days are gone ________ local 5－star hotels charged 6,000 yuan for one night.

A．if  B．when  C．which  D．since