题目内容：

 

1.Li Ning didn’t pass the exam because of his_________(careless).

2.Obama isn’t afraid of making a _______(speak) in public any more.

3.“____________(silent) is gold”, someone said. But I don’t think so.

4.You’ll find it hard to stay______(wake) the next day if you stay up late.

5.He couldn’t be a good doctor because he was so ___________( patient).