51. It is exciting to have big snowball                  .

52. I told myself to calm down because I was                alive.

53. DIY                'do-it-yourself'.

54. The monkeys are jumping around. They        be playing with each other.

55. There was a heavy storm             thunder and lightning. How terrible!

B)根据句子意思，写出所给单词的正确形式。

56. I keep writing in English about my               (day) life.

57. Daniel finished the                (little) homework of us three.

58.                (luck), nobody was hurt!

59. Mr. Wu is getting better after a long __________ (ill).

60. Amy and Nancy, can you keep the secret to              (you)?