Many problems have ________ since the beginning of the school year.

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