四、用所给单词的适当形式填空。（共20小题，每小题1.5分，共30分）

61. The secretary reminded me of his______________ (arrive).

62. When a boy leaves college and begins to earn money, he can live a life of ______________ (independent).

63. I like to take some ______________ (energy) exercise at weekends.

64. I have hardly enough ______________ (strong) left to move my feet.

65. I had to explain the reasons to satisfy his ______________ (curious).

66. I’m ______________ (tire) of this kind of food. Can’t we change a different one?

67. You were wrong to take the car without ______________ (permit).

68. The boy sings so well that he dreams of being a ______________ (music) in the future.

69. I was most ______________ (grate) to John for his kindness of sending me the book immediately.

70. Money does not always bring ______________ (happy).

71. She ______________ (frequent) goes out for a trip.

72. After her heart operation, ______________ (gradual) she recovered her health.

73. Can you change the ______________ (spell) of the word into the correct one?

74. He is known as a ______________ (report) throughout the country.

75. No matter how ______________ (power) the enemy seems, we must fight against them to the end.

76. He was indeed a carpenter, and spent his spare time carving small ______________ (wood) toys for his children.

77. When she is offered ice-cream or pie, she always chooses the______________ (form).

78. You’re the ______________ (slavery) of money.

79. We enjoyed the ______________ (magic) evening beneath the bright stars.

80. I kept on struggling forward, even though I knew it was ______________ (hope).