Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 25  to 29.  
Polar bears are in danger of dying out. Unlike some other endangered animals, it's not hunters that are the problem, it's climate change. Since 1979, the ice cap at the Arctic Circle where the polar bears has reduced in size (25)_________ about 30 per cent. The temperature in the Arctic has slowly been rising and this is (26)_________  the sea ice to melt, endangering the polar bears' home. The polar bears' main sources of food are the different types of seals found in the Arctic. They catch them by waiting next to the air holes seals have made in the ice. (27)_________  the bears are very strong swimmers, they could never catch seals in water. This means that the bears really do rely on the ice to hunt.
Polar bears also need sea ice to travel. They can cover a huge territory and often swim from one part of the ice to another. They have been (28)_________  to swim up to 100 km, but when there is less ice, they may have to swim further and this can (29)_________  fatal to the bears. A number of bears have drown in the last few years and scientists believe that it is because they were not able to reach more ice before they became too tired and couldn't swim any further.
(26) 
A.making       
B.turning        
C.causing       
D.resulting

 Our Import-Export Company Limited will have to ______sales during the coming year.
A.expand
B.enlarge
C.extend
D.  ncrease

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A.unwrapped
B.sacrificed
C.approached
D.obliged

I usually enjoy attending amateur productions in small community theaters. The play we attended last night, ………., was so bad that I wanted to leave after the first act.
A.therefore 
B. however   
C. whereas 
D.consequently

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

A.enthusiast                
B.athlete                     
C.theory                     
D.southern

Chọn đáp án đúng nhất trong số (A,B,C or D) để hoàn thành các câu sau. (3đ)
She asked me where I …………………from.
A.came
B.come
C.to come
D.coming

Jack: ‘Can I use your computer?’   Jill: ‘________.’
A.No, thanks      
B.Of course  
C.Well done
D. Yes, I can

_______(7)
A.survival
B.environment
C. 
development
D.growth

________(72) 
A.For 
B.Next    
C.As well as this       
D.Consequently

fail/ obey/ regulations/ disqualification
A.If you fail obeying the regulations, you'll get disqualification.
B.Failure to obey the regulations may result in disqualification.
C.In case you fail obeying the regulations, you'll have disqualification.
D.Failing to obey the regulations may lead to get disqualification.