完成句子
1．He________that he missed the train. (lose)
      他看书如此入神以至于错过了火车。
2．The little boy________the stranger for a few minutes before answering his question. (stare)
      在回答陌生人的问题之前，这个小男孩盯着他看了几分钟。
3．He has made it clear________. (give)
      他声明他不会屈服。
4．As there was not much chance to find good jobs in their hometown，a lot of young people tried to
      ________in cities. (seek)
      因为在家乡找到好工作不太可能，许多年轻人到城市去发财。
5．When I was wandering on the pavement near a park，I__________ the other day. (accident)
      前几天，当我在公园附近的人行道上闲逛时，偶然遇到了一位老同学。
6．We decided to________on the weather and have the party outdoors. (chance)
      我们决定碰碰运气，在户外举行宴会。
7．The reason why he didn't attend the meeting was________ .(seriously)
      他没有参加会议是因为他病得很重。
8．________spent on tobacco every year.(amount)
       每年大量的钱花在烟草上。
9．I wonder________some stories written by Mark Twain. (would)
      我想知道你是否喜欢看马克?吐温写的一些故事。
10．When he tried to open the door，he________the room. (lock)
      当试图打开门的时候，他发现自己被锁在房间里了。

根据汉语提示完成句子。