50．A．songs                B．presents             C．letters                 D．words

49．A．knew                B．saw                C．thought                D．hoped                                                                                                                                                                              

48．A．buy                  B．hand               C．take             D．send

47．A．sad                   B．a singer            C．famous            D．strange

46．A．gone                B．been               C．come                 D．got

44．A true friend is someone _______ gives his hand when you are in trouble．

A．whose             B．who               C．which              D．what

43．I'm surprised to see _______ a little boy can write _______ many words．

A．such, such           B．so, such           C．such, so            D．so, so

42．There are more people looking forward _______ on the moon．

A．to walk             B．walking            C．walk               D．to walking

41．--How often do you see a film?

       -- _______．

A．Once a month      B．One month         C．In a month         D．for a month