Choose the best answer for the following sentence:
Is the United States the wealthiest country __________ the world? 
A. of
B. in 
C. over  
D. on

Choose the best answer for the following sentence:
He could do nothing. He couldn't do ________________________. 
A. something               
B. nothing                  
C. anything                     
D. everything

Choose the best answer for the following sentence:
Tom didn’t study hard last semester. ______________, he failed the final test.
A. Nevertheless
B. However 
C. Moreover
D. Therefore

Choose the best answer for the following sentence:
We are appreciated ___________ their efforts.
A. for              
B. of           
C. in                 
D. over

Choose the best answer for the following sentence:
She _________ two miles and a half. 
A. runs                
B. was running                    
C. has been running                 
D. has run

Choose the best answer for the following sentence:
Susan said that she ___________ in the Volunteer Program for three times.
 
A. participates                
B. participated         
C.  has participated     
D. had participated

Choose the best answer for the following sentence:
The only thing I can really complain about is our lack of being able to hit ___________ shots when they matter. 
A. mistake                 
B. foul                     
C. fault                    
D. slip

Choose the best answer for the following sentence:
''Where are Ken and Janet?'' ''They were hungry, so they ___________________ to the grocery store.''
A. go                
B. had gone                  
C. went                   
D. were gone

Choose the best answer for the following sentence:
____________ passenger pigeon, one of several species of extinct birds, was huntedto extinction over _____________ few decades. 
A. The / Ø            
B. Ø / the                       
C. The / a                  
D. A / the

Choose the best answer for the following sentence:
How many players are there in ____________ water polo team? 
A. a                  
B. an                
C. the                   
D. Ø