Choose the best answer for the following sentence:
Peter ___________ apologize for his bad behaviour yesterday. 
A. have to                
B. had to                
C. may                   
D. is to

Choose the best answer for the following sentence:
A ___________ studies living things and works with plants and animals.
A. biology                   
B. biological              
C. biography                   
D. biologist

Choose the best answer for the following sentence:
I ______________  to the same barber since last year. 
A. am going         
B. have been going 
C. go               
D. had going

Choose the best answer for the following sentence:
He looked __________ when he heard the news.
A.  think
B. thought
C. thoughtful
D. thinking

Choose the best answer for the following sentence:
It's the best book __________ I've ever read.
A. which
B. who
C. when
D. that

Choose the best answer for the following sentence:
She is in no mood of eating for the whole day after the ___________ breakfast. 
A. supplement               
B. sufficient
C. super                  
D. substantial

Choose the best answer for the following sentence:
____________ from 1338 to 1453, the Hundred Years War ____________ one of the longest in human history. 
A. Lasting - is                    
B. Lasted - was
C. Having lasted - is                    
D. Being lasted - is

Choose the best answer for the following sentence:
The ___________ woman who is playing the violin is very talented. 
A. red hair                 
B. red-headed                   
C. red haired                
D. red head

Choose the best answer for the following sentence:
The radiation levels from a computer display terminal __________________ well belowpresently accepted. 
A. is                 
B. are                  
C. was                
D. has been

Choose the best answer for the following sentence:
Ask her to come and see me when she _______________ her work. 
A. finish             
B. has finished              
C.  finished              
D.  finishing