12. We can see many international programs ……………...different channels.

   A.in                               B.at                             C. on                            D. of

13. This hat  is different ..................... the one I had.

   A. for                        B. to                            C. from                        D. at

14. What will happen if the pollution .................. on.?

    A. puts                     B. goes                        C. keeps                      D. takes

15. He said  he was  afraid this article  was .................. date.

    A. over                                   B. on                            C. behind                    D. out of

16. I had to get up early, ...............I would miss the train.

    A. otherwise                       B. if not                      C. but                          D. unless

17. Most young people want to ........more about environmental problems.

    A.look after                        B.find out                   C.look for                    D.make out

18. ..................always gives me real pleasure.

A. I arrange flowers                                      B. The flowers are arranged

C. Arranging flowers                                     D. While arranging flowers.

19. Nga had difficulties in bringing the heavy box, and Mai, her friend, offered to help.

Mai : “Need a hand with your heavy box, Nga ?”  -Nga : “.....................”

A. I don’t need      B. Not at all        C. That’s very kind of you           D. No, thanks

20. Peter: “ ...............?”   Mary: “ Well , I’dlike to see that dress”

             A. Do you want anything                              B. May I help you

             C. What would you like                                D. What do you want to do

• 12. B. on
• 13. C. from
• 14. B. goes
• 15. D. out of
• 16. A. otherwise
• 17. B. find out
• 18. C. Arranging flowers
• 19. C. That's very kind of you
• 20. B. May I help you