(     ) 1. She hasn't heard a letter from her friend for a long time.                                    
                      A                 B       C                           D
(     ) 2. I don't know why Kate hasn't replied my letter for half a month.                         
                                  A                       B                   C          D
(     ) 3. While feeling sad, I can't decide who to talk.                                                      
               A        B                                 C      D
(     ) 4. Look, there are someone painting the wall in the fitting room.                               
               A         B                        C                             D
(     )5. Everyone of us considers Tom the cleverest boy in our class.                                 
                 A         B         C                       D