45．A. became             B. kept                      C. changed                   D. made

44．A. useful            B. different                   C. delicious                  D. expensive

43．A. because             B. though                      C. or                         D. but

42．A. faced             B. called                    C. decided                    D. chosen

41．A. open                 B. break                    C. cut                           D. play

40．A. smell             B. accept             C. count                       D. feel

39．A. knowing           B. thinking                   C. wondering                D. asking

38．A. for                   B. by                        C. with                     D. without

37．A. threw                B. placed                      C. took                      D. dropped

36．A. her                   B. him                         C. them                        D. it