Find a mistake in the four underlined parts of the sentence and correct it:
The twentieth century saw the largest total century population increase ever. At the
beginning there were 1.6 billions people and at the end of the century there were 6.1.
A. The twentieth century
B. ever
C. 1.6 billions
D. at the end

Choose one sentence that has the same meaning as the root one:
During the walk the two smallest boys couldn’t keep up with the team. 
A. During the walk the two smallest boys were left behind. 
B. During the walk the two smallest boys could keep up with the team. 
C. During the walk the two smallest boys were ahead of the team. 
D. During the walk the two smallest boys stopped to keep up with the team.

Find a mistake in the four underlined parts of the sentence and correct it:
National anthems and flags accompanying the medal ceremonies, and tables showing the
number of medals that won by each country are widely used.
A. accompanying
B. ceremonies
C.  that won
D. are widely used

Choose the word that has the underlined part pronounced differently from the rest:  
rugby          gather         forget          gymnast
A. rugby          
B. gather         
C. forget          
D. gymnast

Choose the best answer for the following sentence:
It ______________ him that he had no idea of what was going on. 
A. embarrass              
B. embarrassed              
C. embarrassing                 
D. embarrassment

Choose the best answer for the following sentence:
The suspect refused __________________ any more questions.
 
A. answering                   
B. to answer
C. being answered                 
D. to be answered

Choose a word that has different stress pattern:
confide               matter                finish                even
A. confide               
B. matter                
C. finish               
D.  even

Choose the best answer for the following sentence:
The water in the lake must be ___________ before you use it.
 
A. pure                           
B.  purity                   
C. purified                 
D. purifier

Find a mistake in the four underlined parts of the sentence and correct it:
The fighting started behind of the far goal.
A. fighting
B. started
C. behind of
D. goal

Find a mistake in the four underlined parts of the sentence and correct it:
A real friend is not one who only entertains you, but one who cares about you, either one
who will be there when you cry.
A. A real friend
B. only entertains
C. either
D. when you cry