根据句意选择单词，并用适当形式填空。

51.The spectators                           into the stadium.

52. He thinks playing golf is a                       hobby.

53.There is a gap between                           .

54. Her dress is                         green.

55. You                           punishment if you do wrong.

56. The refugees need help                         .

57. There was a(n)                           silence in the darkness.

58. The twin sisters                             in many ways.

59. This area is suffering a                           of mice.

60. He was stung by a                         .