73. Suddenly, he felt his world was at an e　　　　 .

72. She g　　　　 from Harvard with a degree in law.

71. He changed so much that I didn’t r　　　　 him at first.

根据下列句子及所给单词的首字母，写出各单词的正确拼写形式(每空限写一词)。

70. She was really u　　　　 about the way her father treated her.