What is the main function of the toxins emitted by the dinoflagellates?
A.They are quick-acting poisons that kill fish within minutes.
B.They weaken the fish just long enough for the tiny creatures to attack
C.They damage the nervous system of potential predators.
D.They cause fish to develop wounds on which creatures feed.

He opened the letter without ______ to read the address on the envelope.
 
A.caring                                 
B.worrying                   
C.concerning                      
D.bothering

The lack of family support and the committee’s concerns around the design of the proposed statue of the former British Prime Minister, Margaret Thatcher, outside UK Parliament were the key determining factors in ________ this application.
    
A.breaking up
B.turning down  
C.taking off   
D.putting up

National Assembly Chairwoman Nguyen Thi Kim Ngan said that ______, a large number of women and girls in various areas in the world are being discriminated and subjected to violence.
 
       
A.though positive outcomes in gender equality and women empowerment
B.despite of positive outcomes in gender equality and women empowerment
C.in spite positive outcomes in gender equality and women empowerment
D.in spite of positive outcomes in gender equality and women empowerment

The word “ones” in paragraph 1 refers to ______.     
A.questions                            
B.reactions                   
C.standards                         
D.evaluations

Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
Jane and John are talking about the speech contest next week.
Jane: “Will Ann enter for the speech contest?”
John: “______________”
A.Possibly not
B.Not possibly
C.Not possible
D.Possible not

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
The boy didn’t feel well. That was why he wanted to stay home from school.
A.Although he didn’t feel well, the boy wanted to stay home from school.
B.If the boy felt well, he could not want to to stay home from school.
C.The boy didn’t feel well as he wanted to to stay home from school.
D.As not feeling well, the boy wanted to to stay home from school.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Olivia didn’t leave the office until everybody had gone home.
A.It was not until everyone had gone home that Olivia left the office.
B.It was until everyone had gone home that Olivia didn’t leave the office.
C.Not until everyone had gone home that Olivia left the office.
D.It was not until everyone had gone home did Olivia leave the office.

The captain as well as the passengers ................frightened.
A.be
B.was
C.to be
D.were

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the followinging questions. 
There were over two hundred people at Carl’s trial. Most of them believed that he was not guilty of the crime.
 
A.The majority of the more than 200 people at Carl’s trial didn’t think that he had committed the crime.
B. Carl had not committed the crime, and so more than 200 people came to the trail to show their support.
C.Over 200 people coming to Carl’s trial must have influenced the fact that he was not found guilty of the crime. 
D.When it was announced that Carl had been found not guilty of the crime, there were over 200 people in the audience at his trial.