___________ and terrifying, coral snakes can grow to four feet in length.
A.They are extremely poisonous 
B.the poison is extreme
C.Extremely poisonous   
D. They have an extreme amount of poison

Everyone is very anxious about the____________of the negotiations.   
A.outbreak 
B. outcome   
C. output   
D.outlook

It was a service________I will be eternally grateful.
A.for which
B. to which     
C.to whom   
D.for whom

Choose the best answer to complete the sentences. 
_____ the desalination plant, the company could offer an effective solution to the problem of water scarcity.
A.To build       
B.Having built     
C.Being built     
D.Having been built

You/ should/ doctor/ see/ that cut.
A.A. You should have a doctor seen to that cut. 
B.You should get a doctor seen to that cut.
C.You should have a doctor see to that cut.    
D.You should ask a doctor see to that cut.

_________ (6)
A.centuries
B.times  
C. ages     
D.years

Choose the best answer to the following questions.
Have you ever seen the photographs ...................... Ann took?
A.Ø  
B.where                      
C.when                      
D.who

Choose the best answer to the following questions.
London is the city ________I have visited several times.
A.in which     
B.where                      
C.in that
D.which

Although the staff did expand somewhat, for the first century of its existence, the entire teaching staff consisted of the president and three or four tutors.
 
A.back and forth 
B.to and fro   
C.more or less  
D.side by side

Choose the best answer to the following questions.
Mr.Jones, ______I was working, was  generous about overtime payments.
A.he                           
B. for whom       
C.for him      
D.whom