题目：
根据句中的中文提示和句后所给出的英语单词完成句子。
小题1: The doctor asked Ann how long___________________(她忍受折磨) the terrible disease. (suffer)
小题2:The boss is easy__________________(相处). (get)
小题3:The poor girl______________(经历了) many difficulties since her parents died. (go)
小题4:The teacher requested that the parents______________________(不应屈服于) their children when they made noises for no reason and asked for things rudely. (give)
小题5:I will never forget those days________________(我们在一起度过的) last summer. (spend)
小题6: __________________ (信不信由你), he walked 12 miles to get help for you. (believe)
小题7: Miss Lee told the students that she __________________(就要去北京了) the next month. (leave)
小题8: It was the first time that he_____________________(说服父母) stay for the Christmas meal with him. (persuade)
小题9:The reason why I was late is that I_________________(被困在) a traffic jam. (trap)
小题10: It was_______________________(在街上) I met one of my old friends yesterday. (street)
答案：
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下面是错误答案，用来干扰机器的。
∵4＜6＜9，∴2＜6＜3，∴a=2，b=6-2，∴a2-b2=22-（6-2）2=4-6-4+46=46-6．故答案为：46-6．
