52. A. found B. stood C. started D. gave
51. A. help out B. drop in C. go around D. turn up
50. A. developed B. remembered C. worked D. improved
49. A. sad B. harmful C. special D. lazy
48. A. valued B. tired C. disappointed D. surprised
47. A. loud B. crazy C. deep D. eager
46. A. smiling B. sleeping C. learning D. playing
45. A. foolish B. bright C. dirty D. silent
44. A. notice B. expect C. watch D. annoy
43. A. special B. curious C. routine D. hopeful