Mary was always singing high praise of her role in the office，________ of course，made the others unhappy.

A．who       B．which   

C．this     D．what

I suggest that we should take part in more such activities in future ________ we did yesterday.

A．which           B．as   

C．that      D．than

The boss paid us $10 for washing ten cars，most of________ hadn’t been cleaned for at least half a year.

A．these      B．them  

C．that    D．which

The weather turned out to be very good；________ was more than we could expect.

   A．what      B. which 

   C．that    D．this

The factory ________ we see today is no longer the one ________ it was ten years ago.

  A．that; who     B．/; that 

  C．which; which   D．where; that

Alice received an invitation from her boss，and ________ came as a surprise.

   A．what      B．that 

   C．which    D．he

In the new city there wasn’t a single person________ the poor boy could turn for help.

A．that      B．who

C．from whom    D．to whom

We all believe that the hours ________ the children spend in their one­way relationship with television people undoubtedly affect their relationships with real­life people.

A．that       B．when    

C．in which      D．on which

After living in Beijing for fifty years she returned to the village________ she grew up.

A．which     B．where

C．that    D．when

 He is a teacher，________ is the admiration of all the young people nowadays.

A．who         B．which    

C．that       D．what