Choose the word or phrase that best fits the gap in each sentence. 
Whole-grain food products  __________ in most large supermarkets across the United States and Canada.
 
A.that can be purchased now  
B.purchased now
C.can now be purchased    
D.we can purchase now

Natural selection_____ .
A.allows living objects to adapt to environment
B.processes the environment 
C.evolves the environment
D.is dynamic

They had to walk up a very _________ hill every day.
A.stepped
B.sharp
C. steep 
D.straight

Read the passage and choose the correct answers to fill in the blanks.
            In the United states of American, English is (31)_______the national language, the language of the American nation. Four hundred years ago, some English people sailed to the North American to live (32)________ and they (33)_________ the English language to this new country. After them came people from all the countries of Europe. And they all learned English (34)_________they made it a little different from British English. In the USA now people speak American English. Very many words are the (35)___________ in American and in British English, but the American people do not speak the English language  in the same way as people in England.

A.alike       
B.difficult                  
C.same                       
D.difference

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The baby doesn't cry so much now but she.......cry every night.
 
A.used   
B.use 
C.use to   
D.used to

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
People in the sixth century braved the turbulent seas and  treacherous storms of the Atlantic Ocean in small leather boats.
 
A.marvelous 
B.cautious    
C.desirous 
D.perilous

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the numbered blanks.
THE LIFE OF COUNTRY VET
Don Strange, who works as a vet in northern England, leads a busy life. As well as having to treat pets which are unwell, he often visits farms where problems of (33) _______ kinds await him. He has lost (34) _______ of the number of times he has been called out at midnight to give advice to a farmer with sick sheep or cows.
Recently, a television company chose Don as the subject of a documentary program it was making about the life of a country vet. The program showed the difficult situations Don faces every day such as helping a cow to give birth or winning the trust of an aggressive dog (35) _______ needs an injection. Not all of Don’s patients are domestic animals, (36) _______, and in the program people saw him helping an owl which had a damaged wing. It also showed Don holding a meeting with villagers concerned about the damage a new road might do to their (37) _______ environment.
(33)
A.various     
B.variety                 
C.variation             
D.varied

A.threaten                  
B.ethnic              
C.together             
D.southeast

The word “compaction” in paragraph 3 is closest in meaning to _________ .
A.fragmentation  
B.depletion
C.disruption
D.compression

Choose the underline part that needs correcting.
He didn’t come (A)    to class for (B) two days (C), and no one (D)  knows where he is.
A.didn’t come
B.for
C.two days
D.no one