Choose the best answer for the following sentence:
''When _____________?''
“In 1928.” 
A. penicillin was invented                     
B. did penicillin invented
C. was penicillin invented                
D. did penicillin invent

Choose the best answer for the following sentence:
______________ weapons have made more contribution to poaching and killing wild animals. 
A. Huge                 
B. Light                    
C. Advanced                  
D. Commercial

Choose the best answer for the following sentence:
Studying abroad can be very different form studying in your country. For example, in most schools in the UK, ______________ sport is encouraged.
A. join in
B. participation in
C. getting on
D. joining

Choose the best answer for the following sentence:
Thanks to the advances in _____________ research, people now live a better and longer life. 
A. science              
B. scientific                    
C. scientist               
D. scientifically

Choose the best answer for the following sentence:
“Do you think it'll snow much longer?”
“It _________ to end soon.” 
A. may               
B. should                
C. is going               
D. have

Choose the best answer for the following sentence:
''Where does Anthony work?”
“I think he’s associated _____________ the Forman Company.''
A. with                
B. by  
C. of  
D. to

Choose the best answer for the following sentence:
I _________ understand this letter. Will you translate it for me? 
A. mustn’t  
B. may not  
C. can’t            
D. shouldn’t

Choose the best answer for the following sentence:
Local news _____________________ on TV every afternoon at 5:50 pm.
A.  were               
B. was                  
C. is                
D. are

Choose the best answer for the following sentence:
Be sure to follow the instructions __________ .
A. given at the top of the page
B. that gives at the top of the page
C. which gave at the top of the page
D. where were given at the top of the page

Choose the best answer for the following sentence:
In the last hundred years, traveling _____ much easier and more comfortable. 
A. is becoming                     
B. has become
C. became                    
D. becomes