79. Earthquakes and floods are natural ________ (灾难).

78. I have _____________ (说服) him to give up smoking.

77. He felt __________ (受忽视的) when no one spoke to him.

76. You are _____________(要求) not to smoke.

75. He has many good q____________.

74. The soldiers r___________ 10,000 miners from the coal mines.

73. He said he p__________ walking to cycling.

72. I r_________ Tom although I hadn’t seen him for 10 years.

71. We’re all c___________ about her safety.