11. I remember _______ them somewhere in the city.
A. to see                     B. saw                        C. seen                       D. seeing 
12. The  _______ were told to fasten their scat belts as the plane began its descent.                                
A. customers             B. riders                      C. passengers           D. flyers            
13. I can  _______ with most things but I cannot stand noisy children.
A. put up                     B. put on                     C. put aside               D. put off
14. It is _______ to wear jeans at a funeral.
A. ridicule                   B. ridiculed                 C. ridiculous               D. ridiculing
15. It is necessary for students to listen to their teacher _______ .
A. attentive                 B. attentively              C. attention                D attend
16. My father sometimes _______ the washing up after dinner.
            A. washes                  B. takes                      C. makes                    D. does 
17. I like my work because I have the _______ to make my own decision.
            A. freed                      B. freedom                 C. freely                      D. free
18. Our company believes it is the best. _______ to handle the account
            A. organizing              B. organizational       C. organization          D. disorganization
19. The man ________ your mother is talking to is my English teacher.  
A. which                     B. whom                     C. when                      D. who
20. Tet is a Vietnamese festival ________ takes place in late January and February.
A. which                     B. who                        C. when                      D. whose