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第四部分: 单词拼写（每题0.5分，满分5分）
66．___________ (包围) the city by a wall，our ancestors protected themselves very well.
67．___________（告知）when to leave, we began to make preparations at once.
68．He often___________ (祝贺) himself on having done an excellent job.
69．She strongly___________ (相似) her sister.
70．She found herself in c___________with her parents over her future career.
71. Thank you for r___________me from an embarrassing situation.
72. Are you still c___________with your American friend?
73. Weather p___________, I will go fishing this weekend.
74. Our school can’t t___________cheating on exams.
75. It is an unusual decision to p___________his wedding until next year.