11. Tom has passed his exam, and you must congratulate him for his success.

                          A                                           B                                     C            D

12.She has been playing  as a professional tennis player from  the 1990s

                                  A         B                                                     C       D

28. It is very difficult to find Mrs. Linda's shop because it was ____ from all others in the street.(distinguish)

29. Hunderds of species of plants and animals _________. (already/ eliminate)

30. I suggested that bottles and cans ______(recycle)

31 Neither the president nor his representatives _________ present at the meeting now. ( be)

32. I suggested the students _______ their homework before comming to class (finish)