根据下列句子及所给单词的首字母，在答题纸上按题号写出各单词的完全形式（每空限填一词）。
71. Mr Smith has two children, a son and a d________.
72. Sam introduced h_________ successfully at the job interview, so he became a member of that company a week later.
73. ---“What’s the time?”
---“It’s a q_______ past nine.”
74. Christmas Day is in the t________ month of the year.
75. Nowadays cats are no longer good at c_________ mice; they’d rather be people’s pets.
76. He is too old. He can h______ look after himself.
77. Madam, before you take the medicine, you must look at the i______ very carefully.
78. They were deeply moved by the m______ story.
79. He felt so tired that he couldn’t go any f________.
80. The boy b__________ the candles out before he cut the cake into pieces.