Mark the letter A, B, C, or D on your answer sheet to indicate the answer that best completes each of the following sentences.
German physicist Wilhelm Roentgen _____ X-rays while he _____ a routine experiment involving cathode rays.
A.discovered, was performing       
B.discovered, performed
C.was discovering, performed     
D.was discovering, was performing

Mark the letter A, B, C, or D on your answer sheet to indicate the answer that best completes each of the following sentences.
Mary: "Thanks a lot for fixing the computer for me!" -  Harry: "______________"
A.Safe and sound! 
B.You must say that again!
C.You will be welcome!     
D.It's my pleasure to help you.

Mark the letter A, B, C, or D on your answer sheet to indicate the answer that best completes each of the following sentences.
We are all very excited about the next camping festival, because we _____ one for nearly 10 years.
A.haven't had    
B.never had    
C.hadn't have  
D.didn't have

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following sentences.
When it comes to diversity, language can be a bridge for building relationships, or a tool for creating and maintaining divisions across differences.
A.uniformity               
B.distinction               
C.variety                    
D.variance

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 sentences.
During the Great Depression, many people found themselves jobless after a night.
A.supplementary        
B.out of order      
C.out of work     
D.unoccupied

The word press in the passage most likely means _____.
A.the manager   
B.the media         
C.the stress    
D.the assistant

Peter used to be _____.
A.a football player     
B.a journalist        
C.a businessman           
D.a press officer

(17) 
A.However                
B.Even though       
C.Because                  
D.Even if

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.
To absorb a younger workforce, many companies offered retirement plans as incentives for older workers to retire and make way for the young ones who earned lower salary.
A.rewards                   
B.opportunities           
C.motives                   
D.encouragements

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
He _______ a terrible accident while he  _______ along Ben Luc Bridge.
A.see / am walking 
B.saw / was walking 
C.was seeing / walked
D.have seen / were walking