_____________.in the atmosphere is the temperature falling below freezing.
A.Frost is produced     
B. What produces frost
C.Frost produces  
D.What is frost produced

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.
Stephen                   me he'd bought that suit in a sale.
A.said                         
B.spoke                      
C.told                         
D.claimed

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.
US scientists claim that they                   a new vaccine against malaria.
A.were developed      
B.have developed  
C.had developed 
D.was developing

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.
In Britain, people are usually unwilling to tell other people how much they                     .
A.earn                        
B.obtain                      
C.deserve                   
D.gain

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.
If you want a job, you have to                      for one.
A.applicate                 
B.apply                       
C.ask                          
D.request

Why does the author mention the Weddell Sea?
A.To show that this body of water has salinity variations   
B.To compare Antarctic waters with Arctic waters
C.To point out the location of deep waters
D.To give an example of cold-water salinity

The word glamorous in paragraph 4 is closest in meaning to _____.
A.uncommon             
B.attractive                             
C.unskilled                             
D.ordinary

He was _________ with robbery, found guilty and sent to prion
A.sentenced   
B. charged     
C.convicted  
D.accused

I intend _________ to my boss about your complaint.
A.spoken 
B.speaking     
C.speak
D.to speak

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Ann was very surprised to find the door unlocked. She remembered _______ it before she left.
A.to lock
B.having locked
C.to have locked
D.she locks