Choose the best answer for the following sentence:
“Professor Allen’s class is the best I have ever been to.” “I think it’s __________.” 
A. the most boring  
B. the most boringly
C. the most bored  
D. most bored

Choose the best answer for the following sentence:
Terylene shirts are _____________ wearing, but cotton shirts are much . 
A. harder - most comfortable                
B. hardest - more comfortable
C. harder - more comfortable                 
D. more hard — more comfortable

Choose the best answer for the following sentence:
The room is too dirty. It ________________ now. 
A. should clean                        
B. should have cleaned
C. should be cleaning                              
D. should be being cleaned

Choose the best answer for the following sentence:
The people __________ the kidnapping have demanded a million dollars in small bills.  
A. responsible for                  
B. that responsible
C. which responsible for                   
D. who responsible for

Choose the best answer for the following sentence:
The porter and I looked at each other; ____________________ both smiled. 
A. I                
B. he                   
C. we                    
D. they

Choose the best answer for the following sentence:
I couldn’t cut the grass because the lawn mower ____________ a few dayspreviously.
A. broke down               
B. has been broken 
C. had broken down              
D. breaks down

Choose the best answer for the following sentence:
Since 1980, scientists all over the world ________________ a lot of things to fight against AIDS.
  
A. have done          
B. are doing             
C. did             
D. had done

Choose the best answer for the following sentence:
Learning the ___________ skills and techniques may not be as fun and engaging for the players. 
A. defensible                  
B. defender                  
C. defendant                 
D. defensive

Choose the best answer for the following sentence:
The young athlete was prevented from the match as the police found a ______________ of drugs hidden in his bags before the match began. 
A. quantity                    
B. quality                      
C. piece                 
D. thread

Choose the best answer for the following sentence:
I didn’t have much time, but I __________ visit a lot of places of interest in London.
A. can  
B. must
C. was able to
D. had to