根据句意及所给的汉语，补全所缺的单词，每空限填一词。
The girl often helps me with my __________（最糟糕的）subject.
I think you made a good _________（决定）.
We looked at each other in _________（沉默）.
I had an unusual           (经历) last Sunday.
You shouldn't _________ (播放) your CDs too loudly.
Now many students are under too much __________（压力）.
If Paul _________（失败）the exam again, his teacher will talk with his parents about it.
He had an accident. But ___________（幸运地）, he was not badly hurt.
It is very __________（危险的）to play football in the street.
He didn't know what was __________（发生）outside.