Câu số 1:  

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. 
Heavily with wastes from nearby factories, the water in this river is not contaminated suitable for daily use.
 

Câu số 2:  

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSET in meaning to the underlined word(s) in each of the following questions.

I have tried hard, but it is too difficult to find the solution to this maths problem.

Câu số 3:  

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. 
There is an increase in the of electronic books as more people are turning to prevalence digitalised reading materials.
 

Câu số 4:   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 .
At first, John said he hadn't broken the vase, but later he accepted it.

Câu số 5:   It is firmly believed that books are a primary means for disseminating knowledge and information.

Câu số 6:  

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.

The chairman's thought-provoking question ignited a lively debate among the  participants in the workshop

Câu số 7:  

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. 

The team entered the competition with great confidence after getting advice from sound their coach.

Câu số 8:  

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.

The young singer's career took off after her latest album topped the charts.

Câu số 9:  

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSET in meaning to the underlined word(s) in each of the following questions.

Though considered the king sport in many parts of the world, soccer has never really caught on in the United States.

Câu số 10:   Thanks to highly sophisticated technology, scientists have made many important discoveries in different fields.