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________around the fire, the tourists danced with the local people.

A．Gather                                 

B．To gather

C．Gathering                              

D．To be gathering

Do you wake up every morning ________ energetic and ready to start a new day?

A．feel 　　　    

B．to feel      

C．feeling            　　 

D．felt

Bats are surprisingly long­lived creatures, some ________ a life span of around 20 years.

A. having        

B. had 

C. have          

D. to have

Sarah pretended to be cheerful, ______ nothing about the argument.

A．says 

B．said

C．to say 

D．saying

Recently a survey ________prices of the same goods in two different supermarkets has caused heated debate among citizens.

A. compared                    

B. comparing

C. compares                  

D. being compared

The next thing he saw was smoke ________  from behind the house.

A．rose 

B．rising

C．to rise 

D．risen

Look over there—there's a very long, winding path ________ up to the house.

A. leading

B. leads

C. led 

D. to lead

More TV programs, according to government officials, will be produced ________ people's concern over food safety.

A．to raise                                 

B．raising

C．to have raised                    

D．having raised

Simon made a big bamboo box ________ the little sick bird till it could fly.

A．keep       

B．kept  

C．keeping     

D．to keep

It's important for the figures ________ regularly.

A. to be updated 

B. to have been updated

C. to update 

D. to have updated