Choose the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

My son went to bed ________ he had done his homework.

A. got                           

B. left                           

C. given                       

D. paid

A. that                   

B. whose               

C. who                           

D. whom

A. performed        

B. followed                     

C. discussed         

D. listened

A. an impact on teaching quality               

B. it difficult for school-leavers to find a job

C. it clear that degrees from Vietnamese universities are not recognized worldwide

D. students feel embarrassed when leaving schools

A. personal 

B. attractive                     

C. family              

D. sacrifice

A. have been laid         

A. stress                       

B. tiredness                  

C. tension                    

D. relaxation