Choose the best answer for the following sentence:
 Sending _________________________ ''Special Delivery'' costs about fifteen times as much as sending it ''Regular Delivery''.
A. mails                
B. a piece of mail 
C. a mail                 
D. pieces of mail

Choose the best answer for the following sentence:
By Christmas, I _____________ for Mr. Smith for six years.
A. shall have been working            
B. shall work 
C. have been working               
D. shall be working

Choose the best answer for the following sentence:
It's the most delicious meal _________.
A. I'm ever tasting
B. I've ever tasted
C. I’ll ever taste
D. I’ll ever be tasting

Choose the best answer for the following sentence:
Those books deal mainly _________ tropical plants. 
A. with  
B. in  
C. for  
D. up

Choose the best answer for the following sentence:
Several pets, two dogs and a cat ____________________ to be taken care of while we aregone. 
A. needs             
B. needing                    
C. need                    
D. needed

Choose the best answer for the following sentence:
A number of Britain's beaches fail to meet European ______________ on cleanliness. 
A. norms                  
B. conditions              
C. standards                      
D. ideals

Choose the best answer for the following sentence:
There is also a section that provides tips on how parents can help their wrestlers be ____________ in the classroom. 
A. more successful much
B. much successful more 
C. more much successful
D. much more successful

Choose the best answer for the following sentence:
On behalf of the referees and athletes, referee Hoang Quoc Vinh and shooter Nguyen Manh Tuong swore to an oath of “ _______________, Honesty and Fair Play”. 
A. Performance                       
B. Delegation                     
C. Participation                  
D. Solidarity

Choose the best answer for the following sentence:
The referee signals with a whistle and by lowering his arm, and the player taking the penalty ___________ must immediately throw the ball with an uninter-rupted motion toward the goal.
 
A. arm               
B. shot                  
C. net                  
D. goal

Choose the best answer for the following sentence:
He's the best boss I've ever had. ____________, he always buys everyone a present on their birthdays. 
A. For example                   
B. However
C. Therefore               
D. As a result