Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
It is in Hanoi, Vietnam, in the year 2021 where the 31st SEA Games is scheduled to take place.
A.It   
B.in the year 
C.where                     
D.to take place

When was the “two-child” policy adopted in China?
A.In 1986              
B.In 2016          
C.In 2017        
D.In 2018

The word “catastrophe” is closest in meaning to _________.
A.disaster                               
B.conflict                               
C.embarrassment       
D.shame

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Before becoming successful, Charles Kettering, former vice president of General Motors, was so poor that he has to use the hayloft of a barn as a laboratory.
A.successful               
B.so poor      
C.has to        
D.as

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the rest in the position of the primary stress in each of the following questions.

A.invention       
B.manager      
C.company                 
D.attitude

According to the passage, the industry is likely to be thought as _______.
A.the only source of pollution         
B.the utmost harmful activity
C.a danger to the environment                    
D.a threat to human health

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
It would be more economic to buy the bigger size.
A.It        
B.be    
C.bigger size     
D.economic

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.failed    
B.performed               
C.delivered                
D.finished

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each of the pair of sentences in the following questions.
The cowboy fell off his horse. He was wounded by an arrow.
A.The cowboy wounding by an arrow fell off his horse.
B.The cowboy fell off his house who wounded by an arrow.
C.The cowboy wounded by an arrow fell off his horse.
D.The cowboy who wounded by an arrow fell off his horse.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Thick fog in Hanoi prevented truck drivers ________ driving safely at night.
A.to     
B.from                              
C.about                             
D.with