Choose the best answer for the following sentence:
In conclusion, it seems that although there are big differences between countries, computers are ___________ than televisions in most countries.
A. much less common still
B. less common still much
C. still much less common
D. much less still common

Ảnh của (C): (x - 2)2 + (y+3)2=25 qua Tv→, v→=(-3; 4) là
A. (C'): (x + 2)2 + (y-3)2=25
B. (C'): (x - 2)2 + (y+3)2=5
C. (C'): (x - 1)2 + (y + 1)2=25
D.  (C'): (x + 1)2 + (y - 1)2=25

Choose the best answer for the following sentence:
Every time I miss the bus, it means that I ____________ walk to work. 
A. has to 
B. had to  
C. have to  
D. could

Choose the best answer for the following sentence:
Please don't mind. It's my ____________ to help you whenever you want. 
A. pleasure                      
B. pleasant                  
C. pleasurable                    
D. pleasureless

Choose the best answer for the following sentence:
San Diego is _______________ town in Southern California. 
A. more nice and nice                      
B. the nicer
C. the nicest                       
D. nicer and nicer

Choose the best answer for the following sentence:
Many people are not interested ____________ reading books as much as seeing films.
A. in                  
B. with                    
C. for                
D. about

Choose the best answer for the following sentence:
“ ___________ to finish his M.A. degree this year?”
“Yes, or they will cut off his scholarship.” 
A. Does John have           
B. Must John
C. Will John                 
D. Shouldn’t John

Choose the best answer for the following sentence:
It is very nice ______________ you to take so much trouble. 
A. of                 
B. to                    
C. for                    
D. from

Choose the best answer for the following sentence:
He will take the dog out for a walk as soon as he ______________ dinner. 
A. finish     
B. finishes   
C. will finish   
D. shall have finished

Choose the best answer for the following sentence:
He wrote __________ his sister when she got into trouble. 
A. on             
B. about                  
C. off                   
D. out