50．A．harder                   B．much                      C．better                         D．well

A

A woman was at the cinema，and she was enjoying the film very much，but there was a man in the next seat，and he began looking on the floor under him．The woman was angry and whispered “What are you doing there? What are you looking for?” “A piece of hard chocolate（巧克力），”the man whispered to her．“I dropped it on the floor．” “A piece of chocolate?” the  woman said angrily．“It's ditty now! Take this and be quiet，please! I'm listening to the film!” She gave the man a big piece of chocolate．“But，” the man said，“my teeth are in the piece on the floor!

49．A．often                    B．always                  C．usually                   D．sometimes

48．A．on                       B．with                    C．to                          D．by

47．A．place                     B．school                 C．way                       D．road