根据句意和汉语提示写出单词，完成句子，每空一词。
“Don't go _____ (超过) the fifth street, or you’ve gone too far,” the guide said to the visitors.
The air in Tibet is_______________(认为) to be the cleanest in China.
How many ____________ (德国人) are there in Yangzhou?
My cousin has bought an ___________(最新的)computer.
As a citizen, we mustn’t do anything       ( 违反) the law.