51. A. care B. worry C. talk D. wonder
50. A. for B. to C. as D. like
49. A. admitted B. limited C. guessed D. considered
48. A. stuck B. reminded C. moved D. occurred
47. A. ate up B. gave away C. let out D. got back
46. A. closing B. opening C. proper D. holiday
45. A. early B. late C. fast D. big
44. A. stored B. required C. missing D. remaining
43. A. when B. before C. after D. until
42. A. hear B. notice C. share D. search