请根据句意或括号中的中文提示、英文释义或句意，写出句中所缺单词，使句子通顺。
I don’t think I have the __________(勇气) to tell him the bad news.
Would you like to buy three __________ (音乐会) tickets for me? I’m too busy to do that.
We should not do anything __________ the law, or we will be punished.
We can read the __________ (up-to-date).news on TV or on the Internet.
I am __________ (to think about something carefully) how to finish the difficult task.