B. happened
C. disappointed
C. uncomfortable
C. apart from
C. mattered
D. worried
D. unafraid
D. as for
D. changed
D. headed off
D. recorded
D. speed
47. A. signed up B. calmed down C. checked out
48. A. arranged B. interrupted
C. completed
C. temperature
C. start
49. A. wind
50. A. find
51. A. luck
B. noise
B. hide
D. fix
B. answer
C. wonder
C. doubtfully
C. safe
D. signal
52. A. patiently B. tirelessly
D. helplessly
D. right
53. A. sorry
54. A. relief
55. A. failure
B. brave
B. duty
C. pride
D. excitement
D. conflict
B. adventure