______ these models several were exciting, ____ of them exactly right．

       A．Of; none of which   B．Among; none of which   

       C．Of; none of them    D．Among; none of them    

He has been fired and will have to      over charge of his office tomorrow.

   A. take      B．hand  C．get    D．go

I thought horseback riding would be the sport for me until I fell down from the horse back .As you can imagine ,I haven’t been invited back        .

   A. later    B．since C. after   D．ever

As he had no friends and relatives in the town, the traveler tried to find a _____ somewhere.

　　A. log    B. lodge    C. landing    D. lodging

Radium salts, which have been found to _____ in bones, give rise to cancers of the bone.

　　A. pile up    B. build up    C. keep up    D. pull up

She got married although her parents had not given her their _____.

　　A. allowance   B. consent   C. permit  D. appreciation

I could tell he was surprised from the _____ on his face.

　　A. appearance    B. view    C. sight    D. expression

Children who are over-protected by their parents may become _____.

　　A. hurt    B. spoiled    C. damaged    D. harmed

People in Chongqing are proud of       they have achieved in the past ten years.

A. that            B. which

C. what           D. how

The single most important factor ____ contributes to success is _____ you do every single day．

A．that; that            B．which; what          C．which; what    D．that; what