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 year ________ the Chinese Communist Party was founded?

A．which B．that C．when D．on which

That is the day ________ I'll never forget.

A．which B．on which C．in which D．when

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

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

The pen ________ he is writing is mine.

A．with which B．in which

C．on which D．by which

They arrived at a farmhouse，in front of ________ sat a small boy.

A．whom B．who C．which D．that

The engineer ________ my father works is about 50 years old.

A．to whom B．on whom

C．with which D．with whom

Is there anyone in your class ________ family is in the country?

A．who B．who's C．which D．whose

Is ________ some German friends visited last week?

A．this school B．this the school

C．this school one D．this school where