(21)
A.change                    
B.switch                     
C.modification           
D.variation

(17) 
A.largest                     
B.larger                      
C.most large  
D.large

(12) 
A.requires                   
B.requiring                 
C.require                    
D.to require

Task 2. Mark the letter A, B, C, D to indicate the word that differs from the rest in position of the main stress in each of the following questions.

A.habitat                     
B.pollution                 
C.construction            
D.extinction

________(65)
A.no idea
B.no opinion
C.no way
D.no beliefs

Task 1. Mark the letter A, B, C, D to indicate the word whose underlined part differs from the other three in pronunciation.

A.sung                                    
B.supper                     
C.supply                     
D.nun

Task 1. Mark the letter A, B, C, D to indicate the word whose underlined part differs from the other three in pronunciation.

A.idiom                      
B.ideal                        
C.item                                    
D.identical

Task 1. Mark the letter A, B, C, D to indicate the word whose underlined part differs from the other three in pronunciation.

A.close                                   
B.house                      
C.mouse                     
D.practise

Task 1. Mark the letter A, B, C, D to indicate the word whose underlined part differs from the other three in pronunciation.

A.nourish                   
B.flourish                   
C.southern                  
D.courageous

_______(60)
A.where
B.which
C.that
D.when