44．A．How                      B．Why                       C．What                     D．When

43．A．dreaming                B．imaging                 C．thinking                  D．realizing

42．A．could                            B．couldn’t                 C．had to                    D．didn’t have to

41．A．riding                     B．running                  C．walking                 D．falling

40．A．teaches                   B．taught                    C．is teaching              D．had taught

39．A．cheer up                B．keep quiet              C．enjoy yourself               D．keep away

38．A．something              B．anything                C．everything              D．nothing

37．A．hope                      B．promise                 C．wish                      D．agree

36．A．bus                        B．ship                        C．train                             D．flight

35．A．me                         B．him                        C．myself                   D．himself